56213454 has 32 divisors (see below), whose sum is σ = 123678720. Its totient is φ = 17031960.

The previous prime is 56213411. The next prime is 56213467. The reversal of 56213454 is 45431265.

It is a super-2 number, since 2×56213454² = 6319904821220232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 4467 + ... + 11505.

It is an arithmetic number, because the mean of its divisors is an integer number (3864960).

Almost surely, 2^56213454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56213454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61839360).

56213454 is an abundant number, since it is smaller than the sum of its proper divisors (67465266).

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

56213454 is a wasteful number, since it uses less digits than its factorization.

56213454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077 (or 7055 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 56213454 is about 7497.5632041351. The cubic root of 56213454 is about 383.0717188284.

The spelling of 56213454 in words is "fifty-six million, two hundred thirteen thousand, four hundred fifty-four".