57006678 has 32 divisors (see below), whose sum is σ = 121375584. Its totient is φ = 17787392.

The previous prime is 57006647. The next prime is 57006679. The reversal of 57006678 is 87660075.

It is a super-2 number, since 2×57006678² = 6499522673191368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57006679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18676 + ... + 21512.

It is an arithmetic number, because the mean of its divisors is an integer number (3792987).

Almost surely, 2^57006678 is an apocalyptic number.

57006678 is an abundant number, since it is smaller than the sum of its proper divisors (64368906).

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

57006678 is a wasteful number, since it uses less digits than its factorization.

57006678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 57006678 is about 7550.2766836719. The cubic root of 57006678 is about 384.8651419505.

The spelling of 57006678 in words is "fifty-seven million, six thousand, six hundred seventy-eight".