51676630520 has 64 divisors (see below), whose sum is σ = 116763171840. Its totient is φ = 20583606400.

The previous prime is 51676630517. The next prime is 51676630589. The reversal of 51676630520 is 2503667615.

It is a super-3 number, since 3×51676630520³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9876305 + ... + 9881535.

It is an arithmetic number, because the mean of its divisors is an integer number (1824424560).

Almost surely, 2^51676630520 is an apocalyptic number.

It is an amenable number.

51676630520 is an abundant number, since it is smaller than the sum of its proper divisors (65086541320).

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

51676630520 is a wasteful number, since it uses less digits than its factorization.

51676630520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236 (or 6232 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 51676630520 in words is "fifty-one billion, six hundred seventy-six million, six hundred thirty thousand, five hundred twenty".