51535190 has 32 divisors (see below), whose sum is σ = 106311744. Its totient is φ = 17619840.

The previous prime is 51535189. The next prime is 51535207. The reversal of 51535190 is 9153515.

It is a happy number.

51535190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51535190² = 5311751616672200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31472 + ... + 33068.

It is an arithmetic number, because the mean of its divisors is an integer number (3322242).

Almost surely, 2^51535190 is an apocalyptic number.

51535190 is an abundant number, since it is smaller than the sum of its proper divisors (54776554).

51535190 is a wasteful number, since it uses less digits than its factorization.

51535190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072.

The product of its (nonzero) digits is 3375, while the sum is 29.

The square root of 51535190 is about 7178.8014319941. The cubic root of 51535190 is about 372.1356646665.

The spelling of 51535190 in words is "fifty-one million, five hundred thirty-five thousand, one hundred ninety".