57278034 has 24 divisors (see below), whose sum is σ = 135384912. Its totient is φ = 17356920.

The previous prime is 57278029. The next prime is 57278069. The reversal of 57278034 is 43087275.

57278034 is a `hidden beast` number, since 572 + 7 + 80 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 57278034.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144444 + ... + 144839.

It is an arithmetic number, because the mean of its divisors is an integer number (5641038).

Almost surely, 2^57278034 is an apocalyptic number.

57278034 is an abundant number, since it is smaller than the sum of its proper divisors (78106878).

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

57278034 is a wasteful number, since it uses less digits than its factorization.

57278034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289302 (or 289299 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 57278034 is about 7568.2252873445. The cubic root of 57278034 is about 385.4748377446.

It can be divided in two parts, 572 and 78034, that added together give a triangular number (78606 = T₃₉₆).

The spelling of 57278034 in words is "fifty-seven million, two hundred seventy-eight thousand, thirty-four".