57642377 has 8 divisors (see below), whose sum is σ = 63094920. Its totient is φ = 52335360.

The previous prime is 57642367. The next prime is 57642383. The reversal of 57642377 is 77324675.

It can be written as a sum of positive squares in 4 ways, for example, as 6677056 + 50965321 = 2584^2 + 7139^2 .

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 57642377 - 2¹² = 57638281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57642307) 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, 35552 + ... + 37137.

It is an arithmetic number, because the mean of its divisors is an integer number (7886865).

Almost surely, 2^57642377 is an apocalyptic number.

It is an amenable number.

57642377 is a deficient number, since it is larger than the sum of its proper divisors (5452543).

57642377 is a wasteful number, since it uses less digits than its factorization.

57642377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72763.

The product of its digits is 246960, while the sum is 41.

The square root of 57642377 is about 7592.2577011058. The cubic root of 57642377 is about 386.2904402172.

The spelling of 57642377 in words is "fifty-seven million, six hundred forty-two thousand, three hundred seventy-seven".