57326317698 has 64 divisors (see below), whose sum is σ = 124663432320. Its totient is φ = 17468924928.

The previous prime is 57326317691. The next prime is 57326317709. The reversal of 57326317698 is 89671362375.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57326317691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19503913 + ... + 19506851.

It is an arithmetic number, because the mean of its divisors is an integer number (1947866130).

Almost surely, 2^57326317698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57326317698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62331716160).

57326317698 is an abundant number, since it is smaller than the sum of its proper divisors (67337114622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57326317698 is a wasteful number, since it uses less digits than its factorization.

57326317698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283.

The product of its digits is 11430720, while the sum is 57.

The spelling of 57326317698 in words is "fifty-seven billion, three hundred twenty-six million, three hundred seventeen thousand, six hundred ninety-eight".