51126528 has 36 divisors (see below), whose sum is σ = 136073168. Its totient is φ = 17041920.

The previous prime is 51126521. The next prime is 51126547. The reversal of 51126528 is 82562115.

It is a super-2 number, since 2×51126528² = 5227843730669568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51126495 and 51126504.

It is not an unprimeable number, because it can be changed into a prime (51126521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32518 + ... + 34053.

Almost surely, 2^51126528 is an apocalyptic number.

It is an amenable number.

51126528 is an abundant number, since it is smaller than the sum of its proper divisors (84946640).

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

51126528 is an equidigital number, since it uses as much as digits as its factorization.

51126528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66590 (or 66576 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 51126528 is about 7150.2816727735. The cubic root of 51126528 is about 371.1494035279.

Adding to 51126528 its product of digits (4800), we get a triangular number (51131328 = T₁₀₁₁₂).

The spelling of 51126528 in words is "fifty-one million, one hundred twenty-six thousand, five hundred twenty-eight".