57432997 has 4 divisors (see below), whose sum is σ = 57448480. Its totient is φ = 57417516.

The previous prime is 57432983. The next prime is 57433009. The reversal of 57432997 is 79923475.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57432997 - 2¹¹ = 57430949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57432097) 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, 1504 + ... + 10822.

It is an arithmetic number, because the mean of its divisors is an integer number (14362120).

Almost surely, 2^57432997 is an apocalyptic number.

It is an amenable number.

57432997 is a deficient number, since it is larger than the sum of its proper divisors (15483).

57432997 is an equidigital number, since it uses as much as digits as its factorization.

57432997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15482.

The product of its digits is 476280, while the sum is 46.

The square root of 57432997 is about 7578.4561092613. The cubic root of 57432997 is about 385.8221526718.

The spelling of 57432997 in words is "fifty-seven million, four hundred thirty-two thousand, nine hundred ninety-seven".