53480856 has 64 divisors (see below), whose sum is σ = 157086720. Its totient is φ = 14958720.

The previous prime is 53480809. The next prime is 53480857. The reversal of 53480856 is 65808435.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53480857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4360 + ... + 11223.

It is an arithmetic number, because the mean of its divisors is an integer number (2454480).

Almost surely, 2^53480856 is an apocalyptic number.

It is an amenable number.

53480856 is an abundant number, since it is smaller than the sum of its proper divisors (103605864).

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

53480856 is a wasteful number, since it uses less digits than its factorization.

53480856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15616 (or 15612 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 53480856 is about 7313.0606451745. The cubic root of 53480856 is about 376.7611524088.

The spelling of 53480856 in words is "fifty-three million, four hundred eighty thousand, eight hundred fifty-six".