56503700 has 72 divisors (see below), whose sum is σ = 138157824. Its totient is φ = 19872000.

The previous prime is 56503693. The next prime is 56503757. The reversal of 56503700 is 730565.

It is a super-2 number, since 2×56503700² = 6385336227380000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56503700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33272 + ... + 34928.

Almost surely, 2^56503700 is an apocalyptic number.

56503700 is a gapful number since it is divisible by the number (50) 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 56503700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69078912).

56503700 is an abundant number, since it is smaller than the sum of its proper divisors (81654124).

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

56503700 is a wasteful number, since it uses less digits than its factorization.

56503700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 56503700 is about 7516.8943054961. The cubic root of 56503700 is about 383.7298899795.

The spelling of 56503700 in words is "fifty-six million, five hundred three thousand, seven hundred".