57242661367 has 4 divisors (see below), whose sum is σ = 57243535336. Its totient is φ = 57241787400.

The previous prime is 57242661269. The next prime is 57242661403. The reversal of 57242661367 is 76316624275.

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

It is a cyclic number.

It is not a de Polignac number, because 57242661367 - 2³⁵ = 22882922999 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 57242661367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57242661067) 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, 330009 + ... + 472642.

It is an arithmetic number, because the mean of its divisors is an integer number (14310883834).

Almost surely, 2^57242661367 is an apocalyptic number.

57242661367 is a deficient number, since it is larger than the sum of its proper divisors (873969).

57242661367 is an equidigital number, since it uses as much as digits as its factorization.

57242661367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873968.

The product of its digits is 2540160, while the sum is 49.

The spelling of 57242661367 in words is "fifty-seven billion, two hundred forty-two million, six hundred sixty-one thousand, three hundred sixty-seven".