53270556 has 12 divisors (see below), whose sum is σ = 124297992. Its totient is φ = 17756848.

The previous prime is 53270551. The next prime is 53270587. The reversal of 53270556 is 65507235.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53270551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219595 + ... + 2219618.

It is an arithmetic number, because the mean of its divisors is an integer number (10358166).

Almost surely, 2^53270556 is an apocalyptic number.

It is an amenable number.

53270556 is an abundant number, since it is smaller than the sum of its proper divisors (71027436).

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

53270556 is a wasteful number, since it uses less digits than its factorization.

53270556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439220 (or 4439218 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 53270556 is about 7298.6680976737. The cubic root of 53270556 is about 376.2666642362.

The spelling of 53270556 in words is "fifty-three million, two hundred seventy thousand, five hundred fifty-six".