51046515273 has 32 divisors (see below), whose sum is σ = 75701993472. Its totient is φ = 30383841600.

The previous prime is 51046515269. The next prime is 51046515283. The reversal of 51046515273 is 37251564015.

It is not a de Polignac number, because 51046515273 - 2² = 51046515269 is a prime.

It is a super-3 number, since 3×51046515273³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (51046515203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2513068 + ... + 2533298.

It is an arithmetic number, because the mean of its divisors is an integer number (2365687296).

Almost surely, 2^51046515273 is an apocalyptic number.

It is an amenable number.

51046515273 is a deficient number, since it is larger than the sum of its proper divisors (24655478199).

51046515273 is a wasteful number, since it uses less digits than its factorization.

51046515273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22365.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 51046515273 in words is "fifty-one billion, forty-six million, five hundred fifteen thousand, two hundred seventy-three".