57613641 has 8 divisors (see below), whose sum is σ = 76980480. Its totient is φ = 38327952.

The previous prime is 57613637. The next prime is 57613657. The reversal of 57613641 is 14631675.

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

It is not a de Polignac number, because 57613641 - 2² = 57613637 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57613631) 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, 18610 + ... + 21483.

It is an arithmetic number, because the mean of its divisors is an integer number (9622560).

Almost surely, 2^57613641 is an apocalyptic number.

It is an amenable number.

57613641 is a deficient number, since it is larger than the sum of its proper divisors (19366839).

57613641 is a wasteful number, since it uses less digits than its factorization.

57613641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40575.

The product of its digits is 15120, while the sum is 33.

The square root of 57613641 is about 7590.3650109860. The cubic root of 57613641 is about 386.2262381042.

The spelling of 57613641 in words is "fifty-seven million, six hundred thirteen thousand, six hundred forty-one".