53456624 has 20 divisors (see below), whose sum is σ = 111539736. Its totient is φ = 24672192.

The previous prime is 53456609. The next prime is 53456651. The reversal of 53456624 is 42665435.

It is a happy number.

It is a super-2 number, since 2×53456624² = 5715221298954752, which contains 22 as substring.

It is a congruent number.

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, 128294 + ... + 128709.

Almost surely, 2^53456624 is an apocalyptic number.

It is an amenable number.

53456624 is an abundant number, since it is smaller than the sum of its proper divisors (58083112).

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

53456624 is a wasteful number, since it uses less digits than its factorization.

53456624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257024 (or 257018 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 53456624 is about 7311.4036955977. The cubic root of 53456624 is about 376.7042407327.

The spelling of 53456624 in words is "fifty-three million, four hundred fifty-six thousand, six hundred twenty-four".