56203634 has 16 divisors (see below), whose sum is σ = 90633600. Its totient is φ = 26055504.

The previous prime is 56203633. The next prime is 56203639. The reversal of 56203634 is 43630265.

It is a junction number, because it is equal to n+sod(n) for n = 56203597 and 56203606.

It is not an unprimeable number, because it can be changed into a prime (56203633) 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, 13949 + ... + 17520.

It is an arithmetic number, because the mean of its divisors is an integer number (5664600).

Almost surely, 2^56203634 is an apocalyptic number.

56203634 is a deficient number, since it is larger than the sum of its proper divisors (34429966).

56203634 is a wasteful number, since it uses less digits than its factorization.

56203634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31537.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 56203634 is about 7496.9082960911. The cubic root of 56203634 is about 383.0494111002.

Adding to 56203634 its reverse (43630265), we get a palindrome (99833899).

The spelling of 56203634 in words is "fifty-six million, two hundred three thousand, six hundred thirty-four".