57260553509 has 8 divisors (see below), whose sum is σ = 60641937600. Its totient is φ = 53953485696.

The previous prime is 57260553443. The next prime is 57260553551. The reversal of 57260553509 is 90535506275.

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 57260553509 - 2⁸ = 57260553253 is a prime.

It is a super-3 number, since 3×57260553509³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57260553589) 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, 18577484 + ... + 18580565.

It is an arithmetic number, because the mean of its divisors is an integer number (7580242200).

Almost surely, 2^57260553509 is an apocalyptic number.

It is an amenable number.

57260553509 is a deficient number, since it is larger than the sum of its proper divisors (3381384091).

57260553509 is a wasteful number, since it uses less digits than its factorization.

57260553509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37158139.

The product of its (nonzero) digits is 1417500, while the sum is 47.

The spelling of 57260553509 in words is "fifty-seven billion, two hundred sixty million, five hundred fifty-three thousand, five hundred nine".