51562246656 has 160 divisors (see below), whose sum is σ = 140571002880. Its totient is φ = 16789999616.

The previous prime is 51562246613. The next prime is 51562246667. The reversal of 51562246656 is 65664226515.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 15132505 + ... + 15135911.

It is an arithmetic number, because the mean of its divisors is an integer number (878568768).

Almost surely, 2^51562246656 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 51562246656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70285501440).

51562246656 is an abundant number, since it is smaller than the sum of its proper divisors (89008756224).

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

51562246656 is a wasteful number, since it uses less digits than its factorization.

51562246656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654 (or 3638 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 48.

The spelling of 51562246656 in words is "fifty-one billion, five hundred sixty-two million, two hundred forty-six thousand, six hundred fifty-six".