56454520 has 32 divisors (see below), whose sum is σ = 129729600. Its totient is φ = 22100608.

The previous prime is 56454511. The next prime is 56454523. The reversal of 56454520 is 2545465.

It is a super-2 number, since 2×56454520² = 6374225656860800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56454523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13135 + ... + 16894.

It is an arithmetic number, because the mean of its divisors is an integer number (4054050).

Almost surely, 2^56454520 is an apocalyptic number.

It is an amenable number.

56454520 is an abundant number, since it is smaller than the sum of its proper divisors (73275080).

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

56454520 is a wasteful number, since it uses less digits than its factorization.

56454520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30087 (or 30083 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 56454520 is about 7513.6222955376. The cubic root of 56454520 is about 383.6185266889.

Adding to 56454520 its reverse (2545465), we get a palindrome (58999985).

The spelling of 56454520 in words is "fifty-six million, four hundred fifty-four thousand, five hundred twenty".