56487651 has 24 divisors (see below), whose sum is σ = 87296064. Its totient is φ = 32215680.

The previous prime is 56487643. The next prime is 56487689. The reversal of 56487651 is 15678465.

It is not a de Polignac number, because 56487651 - 2³ = 56487643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56487451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6576 + ... + 12498.

It is an arithmetic number, because the mean of its divisors is an integer number (3637336).

Almost surely, 2^56487651 is an apocalyptic number.

56487651 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56487651 is a deficient number, since it is larger than the sum of its proper divisors (30808413).

56487651 is a wasteful number, since it uses less digits than its factorization.

56487651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971 (or 5954 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 56487651 is about 7515.8267010356. The cubic root of 56487651 is about 383.6935556971.

The spelling of 56487651 in words is "fifty-six million, four hundred eighty-seven thousand, six hundred fifty-one".