57078465 has 8 divisors (see below), whose sum is σ = 91325568. Its totient is φ = 30441840.

The previous prime is 57078443. The next prime is 57078521. The reversal of 57078465 is 56487075.

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

It is not a de Polignac number, because 57078465 - 2¹⁷ = 56947393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1902601 + ... + 1902630.

It is an arithmetic number, because the mean of its divisors is an integer number (11415696).

Almost surely, 2^57078465 is an apocalyptic number.

It is an amenable number.

57078465 is a deficient number, since it is larger than the sum of its proper divisors (34247103).

57078465 is a wasteful number, since it uses less digits than its factorization.

57078465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805239.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 57078465 is about 7555.0291197321. The cubic root of 57078465 is about 385.0266243464.

The spelling of 57078465 in words is "fifty-seven million, seventy-eight thousand, four hundred sixty-five".