57463997 has 4 divisors (see below), whose sum is σ = 59017116. Its totient is φ = 55910880.

The previous prime is 57463981. The next prime is 57464021. The reversal of 57463997 is 79936475.

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 21631801 + 35832196 = 4651^2 + 5986^2 .

It is a cyclic number.

It is not a de Polignac number, because 57463997 - 2⁴ = 57463981 is a prime.

It is a super-2 number, since 2×57463997² = 6604221902432018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57463907) 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, 776504 + ... + 776577.

It is an arithmetic number, because the mean of its divisors is an integer number (14754279).

Almost surely, 2^57463997 is an apocalyptic number.

It is an amenable number.

57463997 is a deficient number, since it is larger than the sum of its proper divisors (1553119).

57463997 is a wasteful number, since it uses less digits than its factorization.

57463997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553118.

The product of its digits is 1428840, while the sum is 50.

The square root of 57463997 is about 7580.5011048083. The cubic root of 57463997 is about 385.8915572306.

The spelling of 57463997 in words is "fifty-seven million, four hundred sixty-three thousand, nine hundred ninety-seven".