57018153897 has 48 divisors (see below), whose sum is σ = 87336657408. Its totient is φ = 35788677120.

The previous prime is 57018153883. The next prime is 57018154001. The reversal of 57018153897 is 79835181075.

It is a happy number.

57018153897 is a `hidden beast` number, since 5 + 7 + 0 + 18 + 1 + 538 + 97 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-57018153897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57018153817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3073983 + ... + 3092475.

It is an arithmetic number, because the mean of its divisors is an integer number (1819513696).

Almost surely, 2^57018153897 is an apocalyptic number.

It is an amenable number.

57018153897 is a deficient number, since it is larger than the sum of its proper divisors (30318503511).

57018153897 is a wasteful number, since it uses less digits than its factorization.

57018153897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18830 (or 18827 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 54.

The spelling of 57018153897 in words is "fifty-seven billion, eighteen million, one hundred fifty-three thousand, eight hundred ninety-seven".