57618541 has 2 divisors, whose sum is σ = 57618542. Its totient is φ = 57618540.

The previous prime is 57618523. The next prime is 57618551. The reversal of 57618541 is 14581675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55442916 + 2175625 = 7446^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 57618541 - 2¹³ = 57610349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57618541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57618551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28809270 + 28809271.

It is an arithmetic number, because the mean of its divisors is an integer number (28809271).

Almost surely, 2^57618541 is an apocalyptic number.

It is an amenable number.

57618541 is a deficient number, since it is larger than the sum of its proper divisors (1).

57618541 is an equidigital number, since it uses as much as digits as its factorization.

57618541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 37.

The square root of 57618541 is about 7590.6877817494. The cubic root of 57618541 is about 386.2371872179.

The spelling of 57618541 in words is "fifty-seven million, six hundred eighteen thousand, five hundred forty-one".