57451664850 has 24 divisors (see below), whose sum is σ = 142480129200. Its totient is φ = 15320443920.

The previous prime is 57451664801. The next prime is 57451664857. The reversal of 57451664850 is 5846615475.

It is a happy number.

It is a super-3 number, since 3×57451664850³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57451664793 and 57451664802.

It is not an unprimeable number, because it can be changed into a prime (57451664857) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 191505400 + ... + 191505699.

It is an arithmetic number, because the mean of its divisors is an integer number (5936672050).

Almost surely, 2^57451664850 is an apocalyptic number.

57451664850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57451664850 is an abundant number, since it is smaller than the sum of its proper divisors (85028464350).

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

57451664850 is a wasteful number, since it uses less digits than its factorization.

57451664850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383011114 (or 383011109 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 57451664850 in words is "fifty-seven billion, four hundred fifty-one million, six hundred sixty-four thousand, eight hundred fifty".