51125528 has 16 divisors (see below), whose sum is σ = 101499480. Its totient is φ = 24059008.

The previous prime is 51125497. The next prime is 51125533. The reversal of 51125528 is 82552115.

It is a super-2 number, since 2×51125528² = 5227639226557568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51125528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187826 + ... + 188097.

Almost surely, 2^51125528 is an apocalyptic number.

It is an amenable number.

51125528 is a deficient number, since it is larger than the sum of its proper divisors (50373952).

51125528 is a wasteful number, since it uses less digits than its factorization.

51125528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375946 (or 375942 counting only the distinct ones).

The product of its digits is 4000, while the sum is 29.

The square root of 51125528 is about 7150.2117451164. The cubic root of 51125528 is about 371.1469837024.

The spelling of 51125528 in words is "fifty-one million, one hundred twenty-five thousand, five hundred twenty-eight".