55775952 has 50 divisors (see below), whose sum is σ = 161435538. Its totient is φ = 18591552.

The previous prime is 55775947. The next prime is 55775969. The reversal of 55775952 is 25957755.

55775952 is a `hidden beast` number, since 5 + 57 + 7 + 595 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30735936 + 25040016 = 5544^2 + 5004^2 .

It is a super-2 number, since 2×55775952² = 6221913643012608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55775898 and 55775907.

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 9 ways as a sum of consecutive naturals, for example, 20223 + ... + 22814.

Almost surely, 2^55775952 is an apocalyptic number.

It is an amenable number.

55775952 is an abundant number, since it is smaller than the sum of its proper divisors (105659586).

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

55775952 is a wasteful number, since it uses less digits than its factorization.

55775952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43057 (or 43042 counting only the distinct ones).

The product of its digits is 551250, while the sum is 45.

The square root of 55775952 is about 7468.3299337938. The cubic root of 55775952 is about 382.0753303007.

The spelling of 55775952 in words is "fifty-five million, seven hundred seventy-five thousand, nine hundred fifty-two".