51246303655 has 8 divisors (see below), whose sum is σ = 61560507312. Its totient is φ = 40953747648.

The previous prime is 51246303653. The next prime is 51246303659. The reversal of 51246303655 is 55630364215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51246303655 - 2¹ = 51246303653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51246303653) 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 7 ways as a sum of consecutive naturals, for example, 5406702 + ... + 5416171.

It is an arithmetic number, because the mean of its divisors is an integer number (7695063414).

Almost surely, 2^51246303655 is an apocalyptic number.

51246303655 is a deficient number, since it is larger than the sum of its proper divisors (10314203657).

51246303655 is a wasteful number, since it uses less digits than its factorization.

51246303655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10823825.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 51246303655 in words is "fifty-one billion, two hundred forty-six million, three hundred three thousand, six hundred fifty-five".