53494665 has 64 divisors (see below), whose sum is σ = 108158976. Its totient is φ = 21998592.

The previous prime is 53494657. The next prime is 53494667. The reversal of 53494665 is 56649435.

It is not a de Polignac number, because 53494665 - 2³ = 53494657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53494667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40404 + ... + 41706.

It is an arithmetic number, because the mean of its divisors is an integer number (1689984).

Almost surely, 2^53494665 is an apocalyptic number.

It is an amenable number.

53494665 is an abundant number, since it is smaller than the sum of its proper divisors (54664311).

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

53494665 is a wasteful number, since it uses less digits than its factorization.

53494665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358.

The product of its digits is 388800, while the sum is 42.

The square root of 53494665 is about 7314.0047169796. The cubic root of 53494665 is about 376.7935767654.

The spelling of 53494665 in words is "fifty-three million, four hundred ninety-four thousand, six hundred sixty-five".