57229761501056 has 64 divisors (see below), whose sum is σ = 115455069092160. Its totient is φ = 28254171955200.

The previous prime is 57229761501037. The next prime is 57229761501089. The reversal of 57229761501056 is 65010516792275.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 57229761500992 and 57229761501010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4016 + ... + 10698576.

It is an arithmetic number, because the mean of its divisors is an integer number (1803985454565).

Almost surely, 2^{57229761501056} 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 57229761501056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57727534546080).

57229761501056 is an abundant number, since it is smaller than the sum of its proper divisors (58225307591104).

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

57229761501056 is a wasteful number, since it uses less digits than its factorization.

57229761501056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10695103 (or 10695091 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 56.

The spelling of 57229761501056 in words is "fifty-seven trillion, two hundred twenty-nine billion, seven hundred sixty-one million, five hundred one thousand, fifty-six".