56031534 has 32 divisors (see below), whose sum is σ = 134094240. Its totient is φ = 17240256.

The previous prime is 56031527. The next prime is 56031553. The reversal of 56031534 is 43513065.

56031534 is a `hidden beast` number, since 5 + 603 + 1 + 53 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 56031498 and 56031507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39207 + ... + 40610.

It is an arithmetic number, because the mean of its divisors is an integer number (4190445).

Almost surely, 2^56031534 is an apocalyptic number.

56031534 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

56031534 is an abundant number, since it is smaller than the sum of its proper divisors (78062706).

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

56031534 is a wasteful number, since it uses less digits than its factorization.

56031534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79841 (or 79835 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 56031534 is about 7485.4214310218. The cubic root of 56031534 is about 382.6580354269.

Adding to 56031534 its reverse (43513065), we get a palindrome (99544599).

It can be divided in two parts, 56031 and 534, that added together give a palindrome (56565).

The spelling of 56031534 in words is "fifty-six million, thirty-one thousand, five hundred thirty-four".