57019901 has 4 divisors (see below), whose sum is σ = 57986400. Its totient is φ = 56053404.

The previous prime is 57019871. The next prime is 57019927. The reversal of 57019901 is 10991075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57019901 - 2¹⁰ = 57018877 is a prime.

It is a super-2 number, since 2×57019901² = 6502538220099602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57019951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483161 + ... + 483278.

It is an arithmetic number, because the mean of its divisors is an integer number (14496600).

Almost surely, 2^57019901 is an apocalyptic number.

It is an amenable number.

57019901 is a deficient number, since it is larger than the sum of its proper divisors (966499).

57019901 is an equidigital number, since it uses as much as digits as its factorization.

57019901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966498.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 57019901 is about 7551.1522961731. The cubic root of 57019901 is about 384.8948968173.

The spelling of 57019901 in words is "fifty-seven million, nineteen thousand, nine hundred one".