51528753 has 24 divisors (see below), whose sum is σ = 76858496. Its totient is φ = 33242400.

The previous prime is 51528733. The next prime is 51528767. The reversal of 51528753 is 35782515.

It is not a de Polignac number, because 51528753 - 2⁵ = 51528721 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51528733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89958 + ... + 90528.

Almost surely, 2^51528753 is an apocalyptic number.

It is an amenable number.

51528753 is a deficient number, since it is larger than the sum of its proper divisors (25329743).

51528753 is a wasteful number, since it uses less digits than its factorization.

51528753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 882 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 51528753 is about 7178.3530840994. The cubic root of 51528753 is about 372.1201701600.

The spelling of 51528753 in words is "fifty-one million, five hundred twenty-eight thousand, seven hundred fifty-three".