51292807049 has 24 divisors (see below), whose sum is σ = 58799740320. Its totient is φ = 44360256000.

The previous prime is 51292807043. The next prime is 51292807067. The reversal of 51292807049 is 94070829215.

It is a de Polignac number, because none of the positive numbers 2^k-51292807049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51292806994 and 51292807012.

It is not an unprimeable number, because it can be changed into a prime (51292807043) 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 23 ways as a sum of consecutive naturals, for example, 582569 + ... + 664809.

It is an arithmetic number, because the mean of its divisors is an integer number (2449989180).

Almost surely, 2^51292807049 is an apocalyptic number.

51292807049 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

51292807049 is a deficient number, since it is larger than the sum of its proper divisors (7506933271).

51292807049 is a wasteful number, since it uses less digits than its factorization.

51292807049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82373 (or 82342 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 51292807049 in words is "fifty-one billion, two hundred ninety-two million, eight hundred seven thousand, forty-nine".