57049050816 has 224 divisors, whose sum is σ = 172283851520. Its totient is φ = 18501654528.

The previous prime is 57049050803. The next prime is 57049050827. The reversal of 57049050816 is 61805094075.

57049050816 is a `hidden beast` number, since 57 + 0 + 4 + 90 + 508 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21026676 + ... + 21029388.

Almost surely, 2^57049050816 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 57049050816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86141925760).

57049050816 is an abundant number, since it is smaller than the sum of its proper divisors (115234800704).

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

57049050816 is a wasteful number, since it uses less digits than its factorization.

57049050816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 57049050816 in words is "fifty-seven billion, forty-nine million, fifty thousand, eight hundred sixteen".