53581902 has 32 divisors (see below), whose sum is σ = 117673344. Its totient is φ = 16130400.

The previous prime is 53581901. The next prime is 53581907. The reversal of 53581902 is 20918535.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53581901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7777 + ... + 12947.

It is an arithmetic number, because the mean of its divisors is an integer number (3677292).

Almost surely, 2^53581902 is an apocalyptic number.

53581902 is an abundant number, since it is smaller than the sum of its proper divisors (64091442).

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

53581902 is a wasteful number, since it uses less digits than its factorization.

53581902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 53581902 is about 7319.9659835275. The cubic root of 53581902 is about 376.9982855872.

It can be divided in two parts, 5358 and 1902, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 53581902 in words is "fifty-three million, five hundred eighty-one thousand, nine hundred two".