52775028 has 36 divisors (see below), whose sum is σ = 135670080. Its totient is φ = 17292816.

The previous prime is 52774979. The next prime is 52775069. The reversal of 52775028 is 82057725.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 52774983 and 52775001.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10300 + ... + 14547.

Almost surely, 2^52775028 is an apocalyptic number.

It is an amenable number.

52775028 is an abundant number, since it is smaller than the sum of its proper divisors (82895052).

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

52775028 is a wasteful number, since it uses less digits than its factorization.

52775028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24916 (or 24911 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 52775028 is about 7264.6423174166. The cubic root of 52775028 is about 375.0963379152.

The spelling of 52775028 in words is "fifty-two million, seven hundred seventy-five thousand, twenty-eight".