51625182336 has 128 divisors (see below), whose sum is σ = 168774748800. Its totient is φ = 13615423488.

The previous prime is 51625182313. The next prime is 51625182341. The reversal of 51625182336 is 63328152615.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703741 + ... + 773628.

It is an arithmetic number, because the mean of its divisors is an integer number (1318552725).

Almost surely, 2^51625182336 is an apocalyptic number.

51625182336 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51625182336 is an abundant number, since it is smaller than the sum of its proper divisors (117149566464).

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

51625182336 is a wasteful number, since it uses less digits than its factorization.

51625182336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477406 (or 1477394 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The spelling of 51625182336 in words is "fifty-one billion, six hundred twenty-five million, one hundred eighty-two thousand, three hundred thirty-six".