56387549502 has 24 divisors (see below), whose sum is σ = 124243755480. Its totient is φ = 18477275760.

The previous prime is 56387549489. The next prime is 56387549503. The reversal of 56387549502 is 20594578365.

56387549502 is a `hidden beast` number, since 5 + 6 + 3 + 87 + 54 + 9 + 502 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56387549503) 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, 26546749 + ... + 26548872.

It is an arithmetic number, because the mean of its divisors is an integer number (5176823145).

Almost surely, 2^56387549502 is an apocalyptic number.

56387549502 is an abundant number, since it is smaller than the sum of its proper divisors (67856205978).

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

56387549502 is a wasteful number, since it uses less digits than its factorization.

56387549502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53095688 (or 53095685 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 56387549502 in words is "fifty-six billion, three hundred eighty-seven million, five hundred forty-nine thousand, five hundred two".