52550928 has 30 divisors (see below), whose sum is σ = 147070014. Its totient is φ = 17516928.

The previous prime is 52550923. The next prime is 52550933. The reversal of 52550928 is 82905525.

It is an interprime number because it is at equal distance from previous prime (52550923) and next prime (52550933).

It can be written as a sum of positive squares in only one way, i.e., 52533504 + 17424 = 7248^2 + 132^2 .

It is a super-2 number, since 2×52550928² = 5523200067322368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52550892 and 52550901.

It is not an unprimeable number, because it can be changed into a prime (52550923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182325 + ... + 182612.

Almost surely, 2^52550928 is an apocalyptic number.

It is an amenable number.

52550928 is an abundant number, since it is smaller than the sum of its proper divisors (94519086).

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

52550928 is a wasteful number, since it uses less digits than its factorization.

52550928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364951 (or 364942 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 52550928 is about 7249.2018871045. The cubic root of 52550928 is about 374.5646574673.

The spelling of 52550928 in words is "fifty-two million, five hundred fifty thousand, nine hundred twenty-eight".