53396464 has 20 divisors (see below), whose sum is σ = 112861080. Its totient is φ = 24271040.

The previous prime is 53396449. The next prime is 53396471. The reversal of 53396464 is 46469335.

53396464 = 1256² + 1257² + ... + 1288².

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, 151519 + ... + 151870.

It is an arithmetic number, because the mean of its divisors is an integer number (5643054).

Almost surely, 2^53396464 is an apocalyptic number.

It is an amenable number.

53396464 is an abundant number, since it is smaller than the sum of its proper divisors (59464616).

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

53396464 is a wasteful number, since it uses less digits than its factorization.

53396464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303408 (or 303402 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

The square root of 53396464 is about 7307.2884163690. The cubic root of 53396464 is about 376.5628735693.

The spelling of 53396464 in words is "fifty-three million, three hundred ninety-six thousand, four hundred sixty-four".