57247953 has 8 divisors (see below), whose sum is σ = 87235008. Its totient is φ = 32713104.

The previous prime is 57247919. The next prime is 57247961. The reversal of 57247953 is 35974275.

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

It is not a de Polignac number, because 57247953 - 2¹⁰ = 57246929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57247453) 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, 1363026 + ... + 1363067.

It is an arithmetic number, because the mean of its divisors is an integer number (10904376).

Almost surely, 2^57247953 is an apocalyptic number.

It is an amenable number.

57247953 is a deficient number, since it is larger than the sum of its proper divisors (29987055).

57247953 is a wasteful number, since it uses less digits than its factorization.

57247953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726103.

The product of its digits is 264600, while the sum is 42.

The square root of 57247953 is about 7566.2377044341. The cubic root of 57247953 is about 385.4073453264.

The spelling of 57247953 in words is "fifty-seven million, two hundred forty-seven thousand, nine hundred fifty-three".