55527939 has 12 divisors (see below), whose sum is σ = 80464176. Its totient is φ = 36899952.

The previous prime is 55527929. The next prime is 55527943. The reversal of 55527939 is 93972555.

55527939 is a `hidden beast` number, since 5 + 552 + 7 + 93 + 9 = 666.

It is not a de Polignac number, because 55527939 - 2⁷ = 55527811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55527894 and 55527903.

It is not an unprimeable number, because it can be changed into a prime (55527919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6879 + ... + 12584.

It is an arithmetic number, because the mean of its divisors is an integer number (6705348).

Almost surely, 2^55527939 is an apocalyptic number.

55527939 is a deficient number, since it is larger than the sum of its proper divisors (24936237).

55527939 is a wasteful number, since it uses less digits than its factorization.

55527939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19786 (or 19783 counting only the distinct ones).

The product of its digits is 425250, while the sum is 45.

The square root of 55527939 is about 7451.7071198484. The cubic root of 55527939 is about 381.5081775761.

The spelling of 55527939 in words is "fifty-five million, five hundred twenty-seven thousand, nine hundred thirty-nine".