57022552 has 8 divisors (see below), whose sum is σ = 106917300. Its totient is φ = 28511272.

The previous prime is 57022549. The next prime is 57022579. The reversal of 57022552 is 25522075.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 57022552.

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 as a sum of consecutive naturals, namely, 3563902 + ... + 3563917.

Almost surely, 2^57022552 is an apocalyptic number.

It is an amenable number.

57022552 is a deficient number, since it is larger than the sum of its proper divisors (49894748).

57022552 is a wasteful number, since it uses less digits than its factorization.

57022552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7127825 (or 7127821 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 57022552 is about 7551.3278302561. The cubic root of 57022552 is about 384.9008616386.

The spelling of 57022552 in words is "fifty-seven million, twenty-two thousand, five hundred fifty-two".