51607278675 has 288 divisors, whose sum is σ = 106964582400. Its totient is φ = 23630745600.

The previous prime is 51607278673. The next prime is 51607278683. The reversal of 51607278675 is 57687270615.

It is a happy number.

51607278675 is a `hidden beast` number, since 5 + 1 + 607 + 27 + 8 + 6 + 7 + 5 = 666.

It is not a de Polignac number, because 51607278675 - 2¹ = 51607278673 is a prime.

It is a super-2 number, since 2×51607278675² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51607278673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 346357501 + ... + 346357649.

It is an arithmetic number, because the mean of its divisors is an integer number (371404800).

Almost surely, 2^51607278675 is an apocalyptic number.

51607278675 is an abundant number, since it is smaller than the sum of its proper divisors (55357303725).

51607278675 is a wasteful number, since it uses less digits than its factorization.

51607278675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 54.

The spelling of 51607278675 in words is "fifty-one billion, six hundred seven million, two hundred seventy-eight thousand, six hundred seventy-five".