53553756 has 12 divisors (see below), whose sum is σ = 124958792. Its totient is φ = 17851248.

The previous prime is 53553743. The next prime is 53553767. The reversal of 53553756 is 65735535.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231395 + ... + 2231418.

Almost surely, 2^53553756 is an apocalyptic number.

It is an amenable number.

53553756 is an abundant number, since it is smaller than the sum of its proper divisors (71405036).

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

53553756 is a wasteful number, since it uses less digits than its factorization.

53553756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462820 (or 4462818 counting only the distinct ones).

The product of its digits is 236250, while the sum is 39.

The square root of 53553756 is about 7318.0431810696. The cubic root of 53553756 is about 376.9322629699.

The spelling of 53553756 in words is "fifty-three million, five hundred fifty-three thousand, seven hundred fifty-six".