51936454624 has 24 divisors (see below), whose sum is σ = 105548280768. Its totient is φ = 25130542080.

The previous prime is 51936454621. The next prime is 51936454627. The reversal of 51936454624 is 42645463915.

It is an interprime number because it is at equal distance from previous prime (51936454621) and next prime (51936454627).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51936454621) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26176657 + ... + 26178640.

It is an arithmetic number, because the mean of its divisors is an integer number (4397845032).

Almost surely, 2^51936454624 is an apocalyptic number.

It is an amenable number.

51936454624 is an abundant number, since it is smaller than the sum of its proper divisors (53611826144).

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

51936454624 is a wasteful number, since it uses less digits than its factorization.

51936454624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52355338 (or 52355330 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The spelling of 51936454624 in words is "fifty-one billion, nine hundred thirty-six million, four hundred fifty-four thousand, six hundred twenty-four".