56043630 has 32 divisors (see below), whose sum is σ = 149450400. Its totient is φ = 14944896.

The previous prime is 56043607. The next prime is 56043643. The reversal of 56043630 is 3634065.

56043630 is a `hidden beast` number, since 560 + 43 + 63 + 0 = 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 = 56043594 and 56043603.

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, 103515 + ... + 104054.

It is an arithmetic number, because the mean of its divisors is an integer number (4670325).

Almost surely, 2^56043630 is an apocalyptic number.

56043630 is an abundant number, since it is smaller than the sum of its proper divisors (93406770).

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

56043630 is a wasteful number, since it uses less digits than its factorization.

56043630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207585 (or 207579 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 56043630 is about 7486.2293579612. The cubic root of 56043630 is about 382.6855693185.

Adding to 56043630 its reverse (3634065), we get a palindrome (59677695).

The spelling of 56043630 in words is "fifty-six million, forty-three thousand, six hundred thirty".