53708388 has 24 divisors (see below), whose sum is σ = 125522208. Its totient is φ = 17873856.

The previous prime is 53708371. The next prime is 53708411. The reversal of 53708388 is 88380735.

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, 4920 + ... + 11472.

It is an arithmetic number, because the mean of its divisors is an integer number (5230092).

Almost surely, 2^53708388 is an apocalyptic number.

It is an amenable number.

53708388 is an abundant number, since it is smaller than the sum of its proper divisors (71813820).

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

53708388 is a wasteful number, since it uses less digits than its factorization.

53708388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243 (or 7241 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 53708388 is about 7328.6006849876. The cubic root of 53708388 is about 377.2947011716.

The spelling of 53708388 in words is "fifty-three million, seven hundred eight thousand, three hundred eighty-eight".