57999421 has 8 divisors (see below), whose sum is σ = 59016384. Its totient is φ = 56987040.

The previous prime is 57999407. The next prime is 57999433. The reversal of 57999421 is 12499975.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57999421 - 2²⁵ = 24444989 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 (57999451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32841 + ... + 34561.

It is an arithmetic number, because the mean of its divisors is an integer number (7377048).

Almost surely, 2^57999421 is an apocalyptic number.

It is an amenable number.

57999421 is a deficient number, since it is larger than the sum of its proper divisors (1016963).

57999421 is a wasteful number, since it uses less digits than its factorization.

57999421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291.

The product of its digits is 204120, while the sum is 46.

The square root of 57999421 is about 7615.7350925567. The cubic root of 57999421 is about 387.0863759909.

It can be divided in two parts, 579 and 99421, that added together give a 5-th power (100000 = 10⁵).

The spelling of 57999421 in words is "fifty-seven million, nine hundred ninety-nine thousand, four hundred twenty-one".