55771952 has 20 divisors (see below), whose sum is σ = 108177600. Its totient is φ = 27855168.

The previous prime is 55771909. The next prime is 55771957. The reversal of 55771952 is 25917755.

It is a super-2 number, since 2×55771952² = 6221021259780608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55771957) 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, 22049 + ... + 24447.

It is an arithmetic number, because the mean of its divisors is an integer number (5408880).

Almost surely, 2^55771952 is an apocalyptic number.

It is an amenable number.

55771952 is a deficient number, since it is larger than the sum of its proper divisors (52405648).

55771952 is a wasteful number, since it uses less digits than its factorization.

55771952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860 (or 3854 counting only the distinct ones).

The product of its digits is 110250, while the sum is 41.

The square root of 55771952 is about 7468.0621315037. The cubic root of 55771952 is about 382.0661965086.

The spelling of 55771952 in words is "fifty-five million, seven hundred seventy-one thousand, nine hundred fifty-two".