57209801 has 8 divisors (see below), whose sum is σ = 63933408. Its totient is φ = 50740000.

The previous prime is 57209783. The next prime is 57209813. The reversal of 57209801 is 10890275.

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

It is a cyclic number.

It is not a de Polignac number, because 57209801 - 2¹⁰ = 57208777 is a prime.

It is a super-2 number, since 2×57209801² = 6545922660919202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57209861) 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, 62975 + ... + 63876.

It is an arithmetic number, because the mean of its divisors is an integer number (7991676).

Almost surely, 2^57209801 is an apocalyptic number.

It is an amenable number.

57209801 is a deficient number, since it is larger than the sum of its proper divisors (6723607).

57209801 is a wasteful number, since it uses less digits than its factorization.

57209801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126903.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 57209801 is about 7563.7160840423. The cubic root of 57209801 is about 385.3217100742.

The spelling of 57209801 in words is "fifty-seven million, two hundred nine thousand, eight hundred one".