55727952 has 40 divisors (see below), whose sum is σ = 164531136. Its totient is φ = 15922176.

The previous prime is 55727941. The next prime is 55727983. The reversal of 55727952 is 25972755.

It is a happy number.

It is a super-2 number, since 2×55727952² = 6211209268228608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82593 + ... + 83264.

Almost surely, 2^55727952 is an apocalyptic number.

It is an amenable number.

55727952 is an abundant number, since it is smaller than the sum of its proper divisors (108803184).

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

55727952 is a wasteful number, since it uses less digits than its factorization.

55727952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165875 (or 165869 counting only the distinct ones).

The product of its digits is 220500, while the sum is 42.

The square root of 55727952 is about 7465.1156722451. The cubic root of 55727952 is about 381.9656959592.

The spelling of 55727952 in words is "fifty-five million, seven hundred twenty-seven thousand, nine hundred fifty-two".