57155001 has 8 divisors (see below), whose sum is σ = 76504224. Its totient is φ = 37954560.

The previous prime is 57154997. The next prime is 57155029. The reversal of 57155001 is 10055175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57155001 - 2² = 57154997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57155051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36295 + ... + 37836.

It is an arithmetic number, because the mean of its divisors is an integer number (9563028).

Almost surely, 2^57155001 is an apocalyptic number.

It is an amenable number.

57155001 is a deficient number, since it is larger than the sum of its proper divisors (19349223).

57155001 is a wasteful number, since it uses less digits than its factorization.

57155001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74391.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 57155001 is about 7560.0926581623. The cubic root of 57155001 is about 385.1986403962.

The spelling of 57155001 in words is "fifty-seven million, one hundred fifty-five thousand, one".