53903484 has 36 divisors (see below), whose sum is σ = 138181680. Its totient is φ = 17713920.

The previous prime is 53903483. The next prime is 53903519. The reversal of 53903484 is 48430935.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53903483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7989 + ... + 13100.

It is an arithmetic number, because the mean of its divisors is an integer number (3838380).

Almost surely, 2^53903484 is an apocalyptic number.

It is an amenable number.

53903484 is an abundant number, since it is smaller than the sum of its proper divisors (84278196).

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

53903484 is a wasteful number, since it uses less digits than its factorization.

53903484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21170 (or 21165 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 53903484 is about 7341.8992093327. The cubic root of 53903484 is about 377.7509907830.

The spelling of 53903484 in words is "fifty-three million, nine hundred three thousand, four hundred eighty-four".