53538552 has 24 divisors (see below), whose sum is σ = 145000440. Its totient is φ = 17846160.

The previous prime is 53538539. The next prime is 53538557. The reversal of 53538552 is 25583535.

53538552 is a `hidden beast` number, since 53 + 53 + 8 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53538557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371724 + ... + 371867.

It is an arithmetic number, because the mean of its divisors is an integer number (6041685).

Almost surely, 2^53538552 is an apocalyptic number.

It is an amenable number.

53538552 is an abundant number, since it is smaller than the sum of its proper divisors (91461888).

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

53538552 is a wasteful number, since it uses less digits than its factorization.

53538552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743603 (or 743596 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 53538552 is about 7317.0043050418. The cubic root of 53538552 is about 376.8965890292.

The spelling of 53538552 in words is "fifty-three million, five hundred thirty-eight thousand, five hundred fifty-two".