57622973 has 2 divisors, whose sum is σ = 57622974. Its totient is φ = 57622972.

The previous prime is 57622963. The next prime is 57622993. The reversal of 57622973 is 37922675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51079609 + 6543364 = 7147^2 + 2558^2 .

It is a cyclic number.

It is not a de Polignac number, because 57622973 - 2⁶ = 57622909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57622973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57622963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28811486 + 28811487.

It is an arithmetic number, because the mean of its divisors is an integer number (28811487).

Almost surely, 2^57622973 is an apocalyptic number.

It is an amenable number.

57622973 is a deficient number, since it is larger than the sum of its proper divisors (1).

57622973 is an equidigital number, since it uses as much as digits as its factorization.

57622973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 41.

The square root of 57622973 is about 7590.9797127907. The cubic root of 57622973 is about 386.2470900449.

The spelling of 57622973 in words is "fifty-seven million, six hundred twenty-two thousand, nine hundred seventy-three".