53440974 has 48 divisors (see below), whose sum is σ = 119246400. Its totient is φ = 17288640.

The previous prime is 53440969. The next prime is 53441033. The reversal of 53440974 is 47904435.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152952 + ... + 153300.

It is an arithmetic number, because the mean of its divisors is an integer number (2484300).

Almost surely, 2^53440974 is an apocalyptic number.

53440974 is an abundant number, since it is smaller than the sum of its proper divisors (65805426).

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

53440974 is a wasteful number, since it uses less digits than its factorization.

53440974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 53440974 is about 7310.3333713313. Note that the first 4 decimals coincide. The cubic root of 53440974 is about 376.6674757425.

The spelling of 53440974 in words is "fifty-three million, four hundred forty thousand, nine hundred seventy-four".