57948869 has 16 divisors (see below), whose sum is σ = 67573440. Its totient is φ = 49109760.

The previous prime is 57948811. The next prime is 57948871. The reversal of 57948869 is 96884975.

It is a cyclic number.

It is not a de Polignac number, because 57948869 - 2²⁴ = 41171653 is a prime.

It is a super-2 number, since 2×57948869² = 6716142836758322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57948809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18962 + ... + 21804.

It is an arithmetic number, because the mean of its divisors is an integer number (4223340).

Almost surely, 2^57948869 is an apocalyptic number.

It is an amenable number.

57948869 is a deficient number, since it is larger than the sum of its proper divisors (9624571).

57948869 is a wasteful number, since it uses less digits than its factorization.

57948869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980.

The product of its digits is 4354560, while the sum is 56.

The square root of 57948869 is about 7612.4154510904. The cubic root of 57948869 is about 386.9738824636.

The spelling of 57948869 in words is "fifty-seven million, nine hundred forty-eight thousand, eight hundred sixty-nine".