53252388 has 36 divisors (see below), whose sum is σ = 153840960. Its totient is φ = 15214896.

The previous prime is 53252371. The next prime is 53252401. The reversal of 53252388 is 88325235.

53252388 is a `hidden beast` number, since 53 + 2 + 523 + 88 = 666.

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105408 + ... + 105911.

It is an arithmetic number, because the mean of its divisors is an integer number (4273360).

Almost surely, 2^53252388 is an apocalyptic number.

It is an amenable number.

53252388 is an abundant number, since it is smaller than the sum of its proper divisors (100588572).

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

53252388 is a wasteful number, since it uses less digits than its factorization.

53252388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211336 (or 211331 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 53252388 is about 7297.4233808927. The cubic root of 53252388 is about 376.2238839428.

The spelling of 53252388 in words is "fifty-three million, two hundred fifty-two thousand, three hundred eighty-eight".