53815992 has 32 divisors (see below), whose sum is σ = 135302400. Its totient is φ = 17837024.

The previous prime is 53815991. The next prime is 53816003. The reversal of 53815992 is 29951835.

53815992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53815991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1968 + ... + 10559.

It is an arithmetic number, because the mean of its divisors is an integer number (4228200).

Almost surely, 2^53815992 is an apocalyptic number.

It is an amenable number.

53815992 is an abundant number, since it is smaller than the sum of its proper divisors (81486408).

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

53815992 is a wasteful number, since it uses less digits than its factorization.

53815992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12715 (or 12711 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 53815992 is about 7335.9383857827. The cubic root of 53815992 is about 377.5465012962.

The spelling of 53815992 in words is "fifty-three million, eight hundred fifteen thousand, nine hundred ninety-two".