56453380 has 12 divisors (see below), whose sum is σ = 118552140. Its totient is φ = 22581344.

The previous prime is 56453377. The next prime is 56453393. The reversal of 56453380 is 8335465.

It can be written as a sum of positive squares in 2 ways, for example, as 30382144 + 26071236 = 5512^2 + 5106^2 .

It is a super-2 number, since 2×56453380² = 6373968226848800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411315 + ... + 1411354.

It is an arithmetic number, because the mean of its divisors is an integer number (9879345).

Almost surely, 2^56453380 is an apocalyptic number.

It is an amenable number.

56453380 is an abundant number, since it is smaller than the sum of its proper divisors (62098760).

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

56453380 is a wasteful number, since it uses less digits than its factorization.

56453380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822678 (or 2822676 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 56453380 is about 7513.5464329436. The cubic root of 56453380 is about 383.6159445037.

It can be divided in two parts, 5645 and 3380, that added together give a square (9025 = 95²).

The spelling of 56453380 in words is "fifty-six million, four hundred fifty-three thousand, three hundred eighty".