57567401 has 2 divisors, whose sum is σ = 57567402. Its totient is φ = 57567400.

The previous prime is 57567373. The next prime is 57567431. The reversal of 57567401 is 10476575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45212176 + 12355225 = 6724^2 + 3515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57567401 is a prime.

It is not a weakly prime, because it can be changed into another prime (57567431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28783700 + 28783701.

It is an arithmetic number, because the mean of its divisors is an integer number (28783701).

Almost surely, 2^57567401 is an apocalyptic number.

It is an amenable number.

57567401 is a deficient number, since it is larger than the sum of its proper divisors (1).

57567401 is an equidigital number, since it uses as much as digits as its factorization.

57567401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 57567401 is about 7587.3184327534. The cubic root of 57567401 is about 386.1228836387.

It can be divided in two parts, 575 and 67401, that added together give a palindrome (67976).

The spelling of 57567401 in words is "fifty-seven million, five hundred sixty-seven thousand, four hundred one".