57061086 has 32 divisors (see below), whose sum is σ = 118555008. Its totient is φ = 18295200.

The previous prime is 57061079. The next prime is 57061093. The reversal of 57061086 is 68016075.

It is an interprime number because it is at equal distance from previous prime (57061079) and next prime (57061093).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15636 + ... + 18936.

It is an arithmetic number, because the mean of its divisors is an integer number (3704844).

Almost surely, 2^57061086 is an apocalyptic number.

57061086 is an abundant number, since it is smaller than the sum of its proper divisors (61493922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57061086 is a wasteful number, since it uses less digits than its factorization.

57061086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 57061086 is about 7553.8788711496. The cubic root of 57061086 is about 384.9875433087.

The spelling of 57061086 in words is "fifty-seven million, sixty-one thousand, eighty-six".