53496561 has 16 divisors (see below), whose sum is σ = 75787200. Its totient is φ = 33501888.

The previous prime is 53496523. The next prime is 53496577. The reversal of 53496561 is 16569435.

It is not a de Polignac number, because 53496561 - 2⁶ = 53496497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53496581) 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, 5091 + ... + 11528.

It is an arithmetic number, because the mean of its divisors is an integer number (4736700).

Almost surely, 2^53496561 is an apocalyptic number.

It is an amenable number.

53496561 is a deficient number, since it is larger than the sum of its proper divisors (22290639).

53496561 is a wasteful number, since it uses less digits than its factorization.

53496561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16688.

The product of its digits is 97200, while the sum is 39.

The square root of 53496561 is about 7314.1343301856. The cubic root of 53496561 is about 376.7980282509.

The spelling of 53496561 in words is "fifty-three million, four hundred ninety-six thousand, five hundred sixty-one".