53396880 has 80 divisors (see below), whose sum is σ = 170893824. Its totient is φ = 13777920.

The previous prime is 53396879. The next prime is 53396891. The reversal of 53396880 is 8869335.

53396880 = 291² + 292² + ... + 569².

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 3852 + ... + 11028.

Almost surely, 2^53396880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53396880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85446912).

53396880 is an abundant number, since it is smaller than the sum of its proper divisors (117496944).

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

53396880 is a wasteful number, since it uses less digits than its factorization.

53396880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7224 (or 7218 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 53396880 is about 7307.3168810446. The cubic root of 53396880 is about 376.5638514727.

The spelling of 53396880 in words is "fifty-three million, three hundred ninety-six thousand, eight hundred eighty".