57244790521 has 8 divisors (see below), whose sum is σ = 57856835520. Its totient is φ = 56635993008.

The previous prime is 57244790513. The next prime is 57244790531. The reversal of 57244790521 is 12509744275.

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 57244790521 - 2³ = 57244790513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57244790501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776421 + ... + 846946.

It is an arithmetic number, because the mean of its divisors is an integer number (7232104440).

Almost surely, 2^57244790521 is an apocalyptic number.

It is an amenable number.

57244790521 is a deficient number, since it is larger than the sum of its proper divisors (612044999).

57244790521 is a wasteful number, since it uses less digits than its factorization.

57244790521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623743.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 57244790521 in words is "fifty-seven billion, two hundred forty-four million, seven hundred ninety thousand, five hundred twenty-one".