57798774 has 48 divisors (see below), whose sum is σ = 137277504. Its totient is φ = 17430000.

The previous prime is 57798761. The next prime is 57798791. The reversal of 57798774 is 47789775.

It is a super-3 number, since 3×57798774³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57798774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49117 + ... + 50279.

It is an arithmetic number, because the mean of its divisors is an integer number (2859948).

Almost surely, 2^57798774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57798774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68638752).

57798774 is an abundant number, since it is smaller than the sum of its proper divisors (79478730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57798774 is a wasteful number, since it uses less digits than its factorization.

57798774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1430 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 54.

The square root of 57798774 is about 7602.5504930911. The cubic root of 57798774 is about 386.6394896013.

The spelling of 57798774 in words is "fifty-seven million, seven hundred ninety-eight thousand, seven hundred seventy-four".