57214181 has 8 divisors (see below), whose sum is σ = 59306880. Its totient is φ = 55158048.

The previous prime is 57214169. The next prime is 57214193. The reversal of 57214181 is 18141275.

It is an interprime number because it is at equal distance from previous prime (57214169) and next prime (57214193).

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 57214181 - 2⁶ = 57214117 is a prime.

It is a super-2 number, since 2×57214181² = 6546925015001522, 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 (57214121) 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, 5936 + ... + 12233.

It is an arithmetic number, because the mean of its divisors is an integer number (7413360).

Almost surely, 2^57214181 is an apocalyptic number.

It is an amenable number.

57214181 is a deficient number, since it is larger than the sum of its proper divisors (2092699).

57214181 is a wasteful number, since it uses less digits than its factorization.

57214181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18283.

The product of its digits is 2240, while the sum is 29.

The square root of 57214181 is about 7564.0056187182. The cubic root of 57214181 is about 385.3315432729.

The spelling of 57214181 in words is "fifty-seven million, two hundred fourteen thousand, one hundred eighty-one".