56101287 has 24 divisors (see below), whose sum is σ = 84462448. Its totient is φ = 33073920.

The previous prime is 56101267. The next prime is 56101291. The reversal of 56101287 is 78210165.

It is not a de Polignac number, because 56101287 - 2¹⁰ = 56100263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56101237) 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, 11343 + ... + 15519.

Almost surely, 2^56101287 is an apocalyptic number.

56101287 is a deficient number, since it is larger than the sum of its proper divisors (28361161).

56101287 is a wasteful number, since it uses less digits than its factorization.

56101287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239 (or 4228 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 56101287 is about 7490.0792385662. The cubic root of 56101287 is about 382.8167584155.

The spelling of 56101287 in words is "fifty-six million, one hundred one thousand, two hundred eighty-seven".