53507804 has 18 divisors (see below), whose sum is σ = 108927000. Its totient is φ = 22931832.

The previous prime is 53507803. The next prime is 53507807. The reversal of 53507804 is 40870535.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53507803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136304 + ... + 136695.

It is an arithmetic number, because the mean of its divisors is an integer number (6051500).

Almost surely, 2^53507804 is an apocalyptic number.

It is an amenable number.

53507804 is an abundant number, since it is smaller than the sum of its proper divisors (55419196).

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

53507804 is a wasteful number, since it uses less digits than its factorization.

53507804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273017 (or 273008 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 53507804 is about 7314.9028701685. The cubic root of 53507804 is about 376.8244227419.

The spelling of 53507804 in words is "fifty-three million, five hundred seven thousand, eight hundred four".