51544090365 has 32 divisors (see below), whose sum is σ = 82842162816. Its totient is φ = 27366543360.

The previous prime is 51544090363. The next prime is 51544090369. The reversal of 51544090365 is 56309044515.

It is not a de Polignac number, because 51544090365 - 2¹ = 51544090363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51544090363) 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, 3800877 + ... + 3814413.

It is an arithmetic number, because the mean of its divisors is an integer number (2588817588).

Almost surely, 2^51544090365 is an apocalyptic number.

It is an amenable number.

51544090365 is a deficient number, since it is larger than the sum of its proper divisors (31298072451).

51544090365 is a wasteful number, since it uses less digits than its factorization.

51544090365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14669.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 51544090365 in words is "fifty-one billion, five hundred forty-four million, ninety thousand, three hundred sixty-five".