51407671552 has 36 divisors (see below), whose sum is σ = 104059843776. Its totient is φ = 25341800960.

The previous prime is 51407671531. The next prime is 51407671589. The reversal of 51407671552 is 25517670415.

It is a junction number, because it is equal to n+sod(n) for n = 51407671499 and 51407671508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395988 + ... + 1432339.

It is an arithmetic number, because the mean of its divisors is an integer number (2890551216).

Almost surely, 2^51407671552 is an apocalyptic number.

It is an amenable number.

51407671552 is an abundant number, since it is smaller than the sum of its proper divisors (52652172224).

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

51407671552 is an equidigital number, since it uses as much as digits as its factorization.

51407671552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828414 (or 2828400 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 51407671552 in words is "fifty-one billion, four hundred seven million, six hundred seventy-one thousand, five hundred fifty-two".