57015071 has 2 divisors, whose sum is σ = 57015072. Its totient is φ = 57015070.

The previous prime is 57015047. The next prime is 57015109. The reversal of 57015071 is 17051075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57015071 - 2¹⁴ = 56998687 is a prime.

It is a super-2 number, since 2×57015071² = 6501436642270082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57015071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57015001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28507535 + 28507536.

It is an arithmetic number, because the mean of its divisors is an integer number (28507536).

Almost surely, 2^57015071 is an apocalyptic number.

57015071 is a deficient number, since it is larger than the sum of its proper divisors (1).

57015071 is an equidigital number, since it uses as much as digits as its factorization.

57015071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1225, while the sum is 26.

The square root of 57015071 is about 7550.8324706618. The cubic root of 57015071 is about 384.8840287121.

The spelling of 57015071 in words is "fifty-seven million, fifteen thousand, seventy-one".