52621756 has 48 divisors (see below), whose sum is σ = 104767488. Its totient is φ = 22910400.

The previous prime is 52621729. The next prime is 52621763. The reversal of 52621756 is 65712625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235861 + ... + 236083.

It is an arithmetic number, because the mean of its divisors is an integer number (2182656).

Almost surely, 2^52621756 is an apocalyptic number.

It is an amenable number.

52621756 is a deficient number, since it is larger than the sum of its proper divisors (52145732).

52621756 is a wasteful number, since it uses less digits than its factorization.

52621756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 440 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 52621756 is about 7254.0854695820. The cubic root of 52621756 is about 374.7328610025.

The spelling of 52621756 in words is "fifty-two million, six hundred twenty-one thousand, seven hundred fifty-six".