56423190 has 32 divisors (see below), whose sum is σ = 135613440. Its totient is φ = 15024224.

The previous prime is 56423149. The next prime is 56423201. The reversal of 56423190 is 9132465.

It is a super-2 number, since 2×56423190² = 6367152739552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 38491 + ... + 39929.

It is an arithmetic number, because the mean of its divisors is an integer number (4237920).

Almost surely, 2^56423190 is an apocalyptic number.

56423190 is an abundant number, since it is smaller than the sum of its proper divisors (79190250).

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

56423190 is a wasteful number, since it uses less digits than its factorization.

56423190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 56423190 is about 7511.5371263144. The cubic root of 56423190 is about 383.5475492458.

The spelling of 56423190 in words is "fifty-six million, four hundred twenty-three thousand, one hundred ninety".