57326961 has 4 divisors (see below), whose sum is σ = 76435952. Its totient is φ = 38217972.

The previous prime is 57326959. The next prime is 57326977. The reversal of 57326961 is 16962375.

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.

It is not a de Polignac number, because 57326961 - 2¹ = 57326959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57326561) 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, 9554491 + ... + 9554496.

It is an arithmetic number, because the mean of its divisors is an integer number (19108988).

Almost surely, 2^57326961 is an apocalyptic number.

It is an amenable number.

57326961 is a deficient number, since it is larger than the sum of its proper divisors (19108991).

57326961 is a wasteful number, since it uses less digits than its factorization.

57326961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19108990.

The product of its digits is 68040, while the sum is 39.

The square root of 57326961 is about 7571.4569932081. The cubic root of 57326961 is about 385.5845642750.

The spelling of 57326961 in words is "fifty-seven million, three hundred twenty-six thousand, nine hundred sixty-one".