56144536 has 32 divisors (see below), whose sum is σ = 120558240. Its totient is φ = 24012288.

The previous prime is 56144531. The next prime is 56144567. The reversal of 56144536 is 63544165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56144531) 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, 42640 + ... + 43936.

It is an arithmetic number, because the mean of its divisors is an integer number (3767445).

Almost surely, 2^56144536 is an apocalyptic number.

56144536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56144536 is an abundant number, since it is smaller than the sum of its proper divisors (64413704).

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

56144536 is a wasteful number, since it uses less digits than its factorization.

56144536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2079 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 56144536 is about 7492.9657679720. The cubic root of 56144536 is about 382.9151054718.

The spelling of 56144536 in words is "fifty-six million, one hundred forty-four thousand, five hundred thirty-six".