53059904 has 56 divisors (see below), whose sum is σ = 109731048. Its totient is φ = 25436160.

The previous prime is 53059891. The next prime is 53059921. The reversal of 53059904 is 40995035.

It can be written as a sum of positive squares in 4 ways, for example, as 61504 + 52998400 = 248^2 + 7280^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191414 + ... + 191690.

It is an arithmetic number, because the mean of its divisors is an integer number (1959483).

Almost surely, 2^53059904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53059904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54865524).

53059904 is an abundant number, since it is smaller than the sum of its proper divisors (56671144).

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

53059904 is a wasteful number, since it uses less digits than its factorization.

53059904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 53059904 is about 7284.2229510086. Note that the first 3 decimals coincide. The cubic root of 53059904 is about 375.7700419749.

The spelling of 53059904 in words is "fifty-three million, fifty-nine thousand, nine hundred four".