56147877 has 32 divisors (see below), whose sum is σ = 85887360. Its totient is φ = 36236160.

The previous prime is 56147867. The next prime is 56147887. The reversal of 56147877 is 77874165.

56147877 is a `hidden beast` number, since 561 + 4 + 7 + 87 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (56147867) and next prime (56147887).

It is not a de Polignac number, because 56147877 - 2⁶ = 56147813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56147867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119998 + ... + 120464.

It is an arithmetic number, because the mean of its divisors is an integer number (2683980).

Almost surely, 2^56147877 is an apocalyptic number.

It is an amenable number.

56147877 is a deficient number, since it is larger than the sum of its proper divisors (29739483).

56147877 is a wasteful number, since it uses less digits than its factorization.

56147877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 604 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The square root of 56147877 is about 7493.1887070859. The cubic root of 56147877 is about 382.9227007137.

The spelling of 56147877 in words is "fifty-six million, one hundred forty-seven thousand, eight hundred seventy-seven".