57420655 has 8 divisors (see below), whose sum is σ = 69537600. Its totient is φ = 45514656.

The previous prime is 57420653. The next prime is 57420659. The reversal of 57420655 is 55602475.

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 57420655 - 2¹ = 57420653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57420655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57420653) 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, 52135 + ... + 53224.

It is an arithmetic number, because the mean of its divisors is an integer number (8692200).

Almost surely, 2^57420655 is an apocalyptic number.

57420655 is a deficient number, since it is larger than the sum of its proper divisors (12116945).

57420655 is a wasteful number, since it uses less digits than its factorization.

57420655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105473.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 57420655 is about 7577.6417835630. The cubic root of 57420655 is about 385.7945137511.

The spelling of 57420655 in words is "fifty-seven million, four hundred twenty thousand, six hundred fifty-five".