53656612 has 12 divisors (see below), whose sum is σ = 97137180. Its totient is φ = 25903136.

The previous prime is 53656609. The next prime is 53656619. The reversal of 53656612 is 21665635.

It can be written as a sum of positive squares in 2 ways, for example, as 40653376 + 13003236 = 6376^2 + 3606^2 .

It is a super-2 number, since 2×53656612² = 5758064022637088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53656619) 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, 231163 + ... + 231394.

It is an arithmetic number, because the mean of its divisors is an integer number (8094765).

Almost surely, 2^53656612 is an apocalyptic number.

It is an amenable number.

53656612 is a deficient number, since it is larger than the sum of its proper divisors (43480568).

53656612 is a wasteful number, since it uses less digits than its factorization.

53656612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462590 (or 462588 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 53656612 is about 7325.0673717038. The cubic root of 53656612 is about 377.1734222189.

The spelling of 53656612 in words is "fifty-three million, six hundred fifty-six thousand, six hundred twelve".