51803776572 has 24 divisors (see below), whose sum is σ = 121757785296. Its totient is φ = 17141881728.

The previous prime is 51803776559. The next prime is 51803776573. The reversal of 51803776572 is 27567730815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51803776573) 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, 15753763 + ... + 15757050.

It is an arithmetic number, because the mean of its divisors is an integer number (5073241054).

Almost surely, 2^51803776572 is an apocalyptic number.

It is an amenable number.

51803776572 is an abundant number, since it is smaller than the sum of its proper divisors (69954008724).

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

51803776572 is a wasteful number, since it uses less digits than its factorization.

51803776572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31510957 (or 31510955 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 51803776572 in words is "fifty-one billion, eight hundred three million, seven hundred seventy-six thousand, five hundred seventy-two".