53471904 has 24 divisors (see below), whose sum is σ = 140364000. Its totient is φ = 17823936.

The previous prime is 53471903. The next prime is 53471959. The reversal of 53471904 is 40917435.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (53471903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278404 + ... + 278595.

It is an arithmetic number, because the mean of its divisors is an integer number (5848500).

Almost surely, 2^53471904 is an apocalyptic number.

It is an amenable number.

53471904 is an abundant number, since it is smaller than the sum of its proper divisors (86892096).

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

53471904 is a wasteful number, since it uses less digits than its factorization.

53471904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557012 (or 557004 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 53471904 is about 7312.4485639217. The cubic root of 53471904 is about 376.7401295962.

The spelling of 53471904 in words is "fifty-three million, four hundred seventy-one thousand, nine hundred four".