57087451 has 2 divisors, whose sum is σ = 57087452. Its totient is φ = 57087450.

The previous prime is 57087383. The next prime is 57087467. The reversal of 57087451 is 15478075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57087451 - 2⁷ = 57087323 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 57087451.

It is not a weakly prime, because it can be changed into another prime (57087491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28543725 + 28543726.

It is an arithmetic number, because the mean of its divisors is an integer number (28543726).

Almost surely, 2^57087451 is an apocalyptic number.

57087451 is a deficient number, since it is larger than the sum of its proper divisors (1).

57087451 is an equidigital number, since it uses as much as digits as its factorization.

57087451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 57087451 is about 7555.6237995284. The cubic root of 57087451 is about 385.0468285087.

The spelling of 57087451 in words is "fifty-seven million, eighty-seven thousand, four hundred fifty-one".