53907880 has 32 divisors (see below), whose sum is σ = 130624200. Its totient is φ = 19904256.

The previous prime is 53907877. The next prime is 53907911. The reversal of 53907880 is 8870935.

It can be written as a sum of positive squares in 4 ways, for example, as 39664804 + 14243076 = 6298^2 + 3774^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51315 + ... + 52354.

Almost surely, 2^53907880 is an apocalyptic number.

It is an amenable number.

53907880 is an abundant number, since it is smaller than the sum of its proper divisors (76716320).

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

53907880 is a wasteful number, since it uses less digits than its factorization.

53907880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103693 (or 103689 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 53907880 is about 7342.1985808067. The cubic root of 53907880 is about 377.7612594341.

The spelling of 53907880 in words is "fifty-three million, nine hundred seven thousand, eight hundred eighty".