51377630620 has 24 divisors (see below), whose sum is σ = 108452063664. Its totient is φ = 20444568576.

The previous prime is 51377630597. The next prime is 51377630627. The reversal of 51377630620 is 2603677315.

It is a super-3 number, since 3×51377630620³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51377630627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6651274 + ... + 6658993.

It is an arithmetic number, because the mean of its divisors is an integer number (4518835986).

Almost surely, 2^51377630620 is an apocalyptic number.

It is an amenable number.

51377630620 is an abundant number, since it is smaller than the sum of its proper divisors (57074433044).

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

51377630620 is a wasteful number, since it uses less digits than its factorization.

51377630620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13310469 (or 13310467 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 51377630620 in words is "fifty-one billion, three hundred seventy-seven million, six hundred thirty thousand, six hundred twenty".