53892640 has 24 divisors (see below), whose sum is σ = 127321740. Its totient is φ = 21556992.

The previous prime is 53892637. The next prime is 53892659. The reversal of 53892640 is 4629835.

It can be written as a sum of positive squares in 2 ways, for example, as 52243984 + 1648656 = 7228^2 + 1284^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53892640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168255 + ... + 168574.

Almost surely, 2^53892640 is an apocalyptic number.

It is an amenable number.

53892640 is an abundant number, since it is smaller than the sum of its proper divisors (73429100).

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

53892640 is a wasteful number, since it uses less digits than its factorization.

53892640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336844 (or 336836 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 53892640 is about 7341.1606711746. The cubic root of 53892640 is about 377.7256578103.

The spelling of 53892640 in words is "fifty-three million, eight hundred ninety-two thousand, six hundred forty".