57480161 has 4 divisors (see below), whose sum is σ = 57498672. Its totient is φ = 57461652.

The previous prime is 57480139. The next prime is 57480167. The reversal of 57480161 is 16108475.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 57480161 - 2⁶ = 57480097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57480167) 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, 3335 + ... + 11228.

It is an arithmetic number, because the mean of its divisors is an integer number (14374668).

Almost surely, 2^57480161 is an apocalyptic number.

It is an amenable number.

57480161 is a deficient number, since it is larger than the sum of its proper divisors (18511).

57480161 is a wasteful number, since it uses less digits than its factorization.

57480161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18510.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 57480161 is about 7581.5671862749. The cubic root of 57480161 is about 385.9277362105.

The spelling of 57480161 in words is "fifty-seven million, four hundred eighty thousand, one hundred sixty-one".