51235056 has 30 divisors (see below), whose sum is σ = 143387400. Its totient is φ = 17078304.

The previous prime is 51235043. The next prime is 51235057. The reversal of 51235056 is 65053215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51235057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177756 + ... + 178043.

It is an arithmetic number, because the mean of its divisors is an integer number (4779580).

Almost surely, 2^51235056 is an apocalyptic number.

It is an amenable number.

51235056 is an abundant number, since it is smaller than the sum of its proper divisors (92152344).

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

51235056 is a wasteful number, since it uses less digits than its factorization.

51235056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355813 (or 355804 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 51235056 is about 7157.8667213074. The cubic root of 51235056 is about 371.4118350306.

It can be divided in two parts, 51 and 235056, that multiplied together give a triangular number (11987856 = T₄₈₉₆).

The spelling of 51235056 in words is "fifty-one million, two hundred thirty-five thousand, fifty-six".