56213190 has 112 divisors (see below), whose sum is σ = 165733776. Its totient is φ = 13608000.

The previous prime is 56213159. The next prime is 56213221. The reversal of 56213190 is 9131265.

56213190 is a `hidden beast` number, since 5 + 621 + 31 + 9 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (56213159) and next prime (56213221).

It is a super-2 number, since 2×56213190² = 6319845459952200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 79840 + ... + 80540.

Almost surely, 2^56213190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56213190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82866888).

56213190 is an abundant number, since it is smaller than the sum of its proper divisors (109520586).

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

56213190 is a wasteful number, since it uses less digits than its factorization.

56213190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 56213190 is about 7497.5455983942. The cubic root of 56213190 is about 383.0711191434.

The spelling of 56213190 in words is "fifty-six million, two hundred thirteen thousand, one hundred ninety".