51057822588 has 24 divisors (see below), whose sum is σ = 123243020880. Its totient is φ = 16432402560.

The previous prime is 51057822533. The next prime is 51057822631. The reversal of 51057822588 is 88522875015.

It is a self number, because there is not a number n which added to its sum of digits gives 51057822588.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73358593 + ... + 73359288.

It is an arithmetic number, because the mean of its divisors is an integer number (5135125870).

Almost surely, 2^51057822588 is an apocalyptic number.

51057822588 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51057822588 is an abundant number, since it is smaller than the sum of its proper divisors (72185198292).

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

51057822588 is a wasteful number, since it uses less digits than its factorization.

51057822588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146717917 (or 146717915 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 51.

The spelling of 51057822588 in words is "fifty-one billion, fifty-seven million, eight hundred twenty-two thousand, five hundred eighty-eight".