57247097 has 8 divisors (see below), whose sum is σ = 58305792. Its totient is φ = 56192400.

The previous prime is 57247079. The next prime is 57247117. The reversal of 57247097 is 79074275.

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 57247097 - 2¹² = 57243001 is a prime.

It is a super-2 number, since 2×57247097² = 6554460229854818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57247397) 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, 57272 + ... + 58262.

It is an arithmetic number, because the mean of its divisors is an integer number (7288224).

Almost surely, 2^57247097 is an apocalyptic number.

It is an amenable number.

57247097 is a deficient number, since it is larger than the sum of its proper divisors (1058695).

57247097 is an equidigital number, since it uses as much as digits as its factorization.

57247097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 57247097 is about 7566.1811371391. The cubic root of 57247097 is about 385.4054243824.

It can be divided in two parts, 5724 and 7097, that added together give a palindrome (12821).

The spelling of 57247097 in words is "fifty-seven million, two hundred forty-seven thousand, ninety-seven".