51051056 has 40 divisors (see below), whose sum is σ = 114186144. Its totient is φ = 21657600.

The previous prime is 51051037. The next prime is 51051067. The reversal of 51051056 is 65015015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9056 + ... + 13568.

Almost surely, 2^51051056 is an apocalyptic number.

51051056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51051056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57093072).

51051056 is an abundant number, since it is smaller than the sum of its proper divisors (63135088).

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

51051056 is a wasteful number, since it uses less digits than its factorization.

51051056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629 (or 4623 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 51051056 is about 7145.0021693489. The cubic root of 51051056 is about 370.9666857133.

The spelling of 51051056 in words is "fifty-one million, fifty-one thousand, fifty-six".