58722561 has 12 divisors (see below), whose sum is σ = 85297680. Its totient is φ = 38928600.

The previous prime is 58722533. The next prime is 58722577. The reversal of 58722561 is 16522785.

It is a happy number.

58722561 is a `hidden beast` number, since 587 + 22 + 56 + 1 = 666.

It is not a de Polignac number, because 58722561 - 2⁵ = 58722529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (58722581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16615 + ... + 19836.

It is an arithmetic number, because the mean of its divisors is an integer number (7108140).

Almost surely, 2^58722561 is an apocalyptic number.

It is an amenable number.

58722561 is a deficient number, since it is larger than the sum of its proper divisors (26575119).

58722561 is a wasteful number, since it uses less digits than its factorization.

58722561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36636 (or 36633 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 58722561 is about 7663.0647263350. The cubic root of 58722561 is about 388.6884741152.

The spelling of 58722561 in words is "fifty-eight million, seven hundred twenty-two thousand, five hundred sixty-one".