57400319 has 4 divisors (see below), whose sum is σ = 57459696. Its totient is φ = 57340944.

The previous prime is 57400303. The next prime is 57400327. The reversal of 57400319 is 91300475.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57400319 - 2⁴ = 57400303 is a prime.

It is a super-2 number, since 2×57400319² = 6589593242603522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57400291 and 57400300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57400339) 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, 28214 + ... + 30179.

It is an arithmetic number, because the mean of its divisors is an integer number (14364924).

Almost surely, 2^57400319 is an apocalyptic number.

57400319 is a deficient number, since it is larger than the sum of its proper divisors (59377).

57400319 is an equidigital number, since it uses as much as digits as its factorization.

57400319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59376.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 57400319 is about 7576.2998224727. The cubic root of 57400319 is about 385.7489642672.

The spelling of 57400319 in words is "fifty-seven million, four hundred thousand, three hundred nineteen".