55976427 has 80 divisors (see below), whose sum is σ = 98794080. Its totient is φ = 31269888.

The previous prime is 55976407. The next prime is 55976441. The reversal of 55976427 is 72467955.

55976427 is a `hidden beast` number, since 559 + 76 + 4 + 27 = 666.

It is not a de Polignac number, because 55976427 - 2¹⁹ = 55452139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55976407) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 948724 + ... + 948782.

It is an arithmetic number, because the mean of its divisors is an integer number (1234926).

Almost surely, 2^55976427 is an apocalyptic number.

55976427 is a deficient number, since it is larger than the sum of its proper divisors (42817653).

55976427 is a wasteful number, since it uses less digits than its factorization.

55976427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 145 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 55976427 is about 7481.7395704475. The cubic root of 55976427 is about 382.5325462502.

The spelling of 55976427 in words is "fifty-five million, nine hundred seventy-six thousand, four hundred twenty-seven".