56103632 has 80 divisors (see below), whose sum is σ = 123742080. Its totient is φ = 24460800.

The previous prime is 56103629. The next prime is 56103659. The reversal of 56103632 is 23630165.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an alternating number because its digits alternate between odd and even.

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, 428207 + ... + 428337.

It is an arithmetic number, because the mean of its divisors is an integer number (1546776).

Almost surely, 2^56103632 is an apocalyptic number.

56103632 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56103632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61871040).

56103632 is an abundant number, since it is smaller than the sum of its proper divisors (67638448).

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

56103632 is a wasteful number, since it uses less digits than its factorization.

56103632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 56103632 is about 7490.2357773304. The cubic root of 56103632 is about 382.8220921778.

Adding to 56103632 its reverse (23630165), we get a palindrome (79733797).

The spelling of 56103632 in words is "fifty-six million, one hundred three thousand, six hundred thirty-two".