57051559 has 2 divisors, whose sum is σ = 57051560. Its totient is φ = 57051558.

The previous prime is 57051551. The next prime is 57051587. The reversal of 57051559 is 95515075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57051559 - 2³ = 57051551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57051551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28525779 + 28525780.

It is an arithmetic number, because the mean of its divisors is an integer number (28525780).

Almost surely, 2^57051559 is an apocalyptic number.

57051559 is a deficient number, since it is larger than the sum of its proper divisors (1).

57051559 is an equidigital number, since it uses as much as digits as its factorization.

57051559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39375, while the sum is 37.

The square root of 57051559 is about 7553.2482416507. The cubic root of 57051559 is about 384.9661160937.

The spelling of 57051559 in words is "fifty-seven million, fifty-one thousand, five hundred fifty-nine".