57206997936 has 240 divisors, whose sum is σ = 176825825280. Its totient is φ = 17121377280.

The previous prime is 57206997901. The next prime is 57206997949. The reversal of 57206997936 is 63979960275.

It is a super-2 number, since 2×57206997936² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51864361 + ... + 51865463.

It is an arithmetic number, because the mean of its divisors is an integer number (736774272).

Almost surely, 2^57206997936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57206997936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88412912640).

57206997936 is an abundant number, since it is smaller than the sum of its proper divisors (119618827344).

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

57206997936 is a wasteful number, since it uses less digits than its factorization.

57206997936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 38578680, while the sum is 63.

The spelling of 57206997936 in words is "fifty-seven billion, two hundred six million, nine hundred ninety-seven thousand, nine hundred thirty-six".