52757622 has 64 divisors (see below), whose sum is σ = 120960000. Its totient is φ = 17038944.

The previous prime is 52757599. The next prime is 52757633. The reversal of 52757622 is 22675725.

52757622 is a `hidden beast` number, since 5 + 27 + 5 + 7 + 622 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354004 + ... + 354152.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 2^52757622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52757622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60480000).

52757622 is an abundant number, since it is smaller than the sum of its proper divisors (68202378).

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

52757622 is a wasteful number, since it uses less digits than its factorization.

52757622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 316 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 52757622 is about 7263.4442243332. Note that the first 3 decimals coincide. The cubic root of 52757622 is about 375.0550959048.

The spelling of 52757622 in words is "fifty-two million, seven hundred fifty-seven thousand, six hundred twenty-two".