53831880 has 48 divisors (see below), whose sum is σ = 174954780. Its totient is φ = 14355072.

The previous prime is 53831861. The next prime is 53831881. The reversal of 53831880 is 8813835.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53670276 + 161604 = 7326^2 + 402^2 .

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

It is not an unprimeable number, because it can be changed into a prime (53831881) 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, 74407 + ... + 75126.

Almost surely, 2^53831880 is an apocalyptic number.

It is an amenable number.

53831880 is an abundant number, since it is smaller than the sum of its proper divisors (121122900).

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

53831880 is a wasteful number, since it uses less digits than its factorization.

53831880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149550 (or 149543 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 53831880 is about 7337.0211939179. The cubic root of 53831880 is about 377.5836517688.

The spelling of 53831880 in words is "fifty-three million, eight hundred thirty-one thousand, eight hundred eighty".