51761592782 has 32 divisors (see below), whose sum is σ = 82067515200. Its totient is φ = 24436608768.

The previous prime is 51761592781. The next prime is 51761592787. The reversal of 51761592782 is 28729516715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51761592781) 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 15 ways as a sum of consecutive naturals, for example, 1329578 + ... + 1367954.

It is an arithmetic number, because the mean of its divisors is an integer number (2564609850).

Almost surely, 2^51761592782 is an apocalyptic number.

51761592782 is a deficient number, since it is larger than the sum of its proper divisors (30305922418).

51761592782 is a wasteful number, since it uses less digits than its factorization.

51761592782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38780.

The product of its digits is 2116800, while the sum is 53.

The spelling of 51761592782 in words is "fifty-one billion, seven hundred sixty-one million, five hundred ninety-two thousand, seven hundred eighty-two".