57279655 has 8 divisors (see below), whose sum is σ = 70334352. Its totient is φ = 44757888.

The previous prime is 57279653. The next prime is 57279659. The reversal of 57279655 is 55697275.

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 57279655 - 2¹ = 57279653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57279653) 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, 132994 + ... + 133423.

It is an arithmetic number, because the mean of its divisors is an integer number (8791794).

Almost surely, 2^57279655 is an apocalyptic number.

57279655 is a deficient number, since it is larger than the sum of its proper divisors (13054697).

57279655 is a wasteful number, since it uses less digits than its factorization.

57279655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266465.

The product of its digits is 661500, while the sum is 46.

The square root of 57279655 is about 7568.3323790648. The cubic root of 57279655 is about 385.4784740939.

The spelling of 57279655 in words is "fifty-seven million, two hundred seventy-nine thousand, six hundred fifty-five".