57347641 has 4 divisors (see below), whose sum is σ = 61759012. Its totient is φ = 52936272.

The previous prime is 57347639. The next prime is 57347651. The reversal of 57347641 is 14674375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23242041 + 34105600 = 4821^2 + 5840^2 .

It is a cyclic number.

It is not a de Polignac number, because 57347641 - 2¹ = 57347639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57347641.

It is not an unprimeable number, because it can be changed into a prime (57347611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205666 + ... + 2205691.

It is an arithmetic number, because the mean of its divisors is an integer number (15439753).

Almost surely, 2^57347641 is an apocalyptic number.

It is an amenable number.

57347641 is a deficient number, since it is larger than the sum of its proper divisors (4411371).

57347641 is a wasteful number, since it uses less digits than its factorization.

57347641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411370.

The product of its digits is 70560, while the sum is 37.

The square root of 57347641 is about 7572.8225253204. The cubic root of 57347641 is about 385.6309236727.

The spelling of 57347641 in words is "fifty-seven million, three hundred forty-seven thousand, six hundred forty-one".