57488797 has 4 divisors (see below), whose sum is σ = 57702780. Its totient is φ = 57274816.

The previous prime is 57488791. The next prime is 57488839. The reversal of 57488797 is 79788475.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24068836 + 33419961 = 4906^2 + 5781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57488797 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 (57488791) 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, 106588 + ... + 107125.

It is an arithmetic number, because the mean of its divisors is an integer number (14425695).

Almost surely, 2^57488797 is an apocalyptic number.

It is an amenable number.

57488797 is a deficient number, since it is larger than the sum of its proper divisors (213983).

57488797 is a wasteful number, since it uses less digits than its factorization.

57488797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213982.

The product of its digits is 3951360, while the sum is 55.

The square root of 57488797 is about 7582.1367041224. The cubic root of 57488797 is about 385.9470629078.

It can be divided in two parts, 57488 and 797, that added together give a palindrome (58285).

The spelling of 57488797 in words is "fifty-seven million, four hundred eighty-eight thousand, seven hundred ninety-seven".