45557371 has 2 divisors, whose sum is σ = 45557372. Its totient is φ = 45557370.

The previous prime is 45557357. The next prime is 45557401. The reversal of 45557371 is 17375554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45557371 - 2⁷ = 45557243 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45557371.

It is not a weakly prime, because it can be changed into another prime (45557341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22778685 + 22778686.

It is an arithmetic number, because the mean of its divisors is an integer number (22778686).

Almost surely, 2^45557371 is an apocalyptic number.

45557371 is a deficient number, since it is larger than the sum of its proper divisors (1).

45557371 is an equidigital number, since it uses as much as digits as its factorization.

45557371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73500, while the sum is 37.

The square root of 45557371 is about 6749.6200633813. The cubic root of 45557371 is about 357.1518340829.

The spelling of 45557371 in words is "forty-five million, five hundred fifty-seven thousand, three hundred seventy-one".