56101540 has 24 divisors (see below), whose sum is σ = 128524032. Its totient is φ = 20400480.

The previous prime is 56101523. The next prime is 56101543. The reversal of 56101540 is 4510165.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (56101543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127284 + ... + 127723.

It is an arithmetic number, because the mean of its divisors is an integer number (5355168).

Almost surely, 2^56101540 is an apocalyptic number.

It is an amenable number.

56101540 is an abundant number, since it is smaller than the sum of its proper divisors (72422492).

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

56101540 is a wasteful number, since it uses less digits than its factorization.

56101540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255027 (or 255025 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 56101540 is about 7490.0961275540. The cubic root of 56101540 is about 382.8173338776.

The spelling of 56101540 in words is "fifty-six million, one hundred one thousand, five hundred forty".