57816068544 has 784 divisors, whose sum is σ = 202886157600. Its totient is φ = 16178061312.

The previous prime is 57816068467. The next prime is 57816068567. The reversal of 57816068544 is 44586061875.

57816068544 is a `hidden beast` number, since 578 + 1 + 6 + 0 + 68 + 5 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 111 ways as a sum of consecutive naturals, for example, 334196842 + ... + 334197014.

Almost surely, 2^57816068544 is an apocalyptic number.

57816068544 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57816068544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101443078800).

57816068544 is an abundant number, since it is smaller than the sum of its proper divisors (145070089056).

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

57816068544 is a wasteful number, since it uses less digits than its factorization.

57816068544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 57816068544 in words is "fifty-seven billion, eight hundred sixteen million, sixty-eight thousand, five hundred forty-four".