53257556 has 12 divisors (see below), whose sum is σ = 101673600. Its totient is φ = 24207960.

The previous prime is 53257553. The next prime is 53257591. The reversal of 53257556 is 65575235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53257553) 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, 605156 + ... + 605243.

It is an arithmetic number, because the mean of its divisors is an integer number (8472800).

Almost surely, 2^53257556 is an apocalyptic number.

It is an amenable number.

53257556 is a deficient number, since it is larger than the sum of its proper divisors (48416044).

53257556 is a wasteful number, since it uses less digits than its factorization.

53257556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210414 (or 1210412 counting only the distinct ones).

The product of its digits is 157500, while the sum is 38.

The square root of 53257556 is about 7297.7774698877. Note that the first 3 decimals coincide. The cubic root of 53257556 is about 376.2360540520.

The spelling of 53257556 in words is "fifty-three million, two hundred fifty-seven thousand, five hundred fifty-six".