57400086 has 8 divisors (see below), whose sum is σ = 114800184. Its totient is φ = 19133360.

The previous prime is 57400081. The next prime is 57400093. The reversal of 57400086 is 68000475.

It is a happy number.

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

57400086 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57400081) 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, 4783335 + ... + 4783346.

It is an arithmetic number, because the mean of its divisors is an integer number (14350023).

Almost surely, 2^57400086 is an apocalyptic number.

57400086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57400086 is a wasteful number, since it uses less digits than its factorization.

57400086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566686.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 57400086 is about 7576.2844455577. The cubic root of 57400086 is about 385.7484423211.

The spelling of 57400086 in words is "fifty-seven million, four hundred thousand, eighty-six".