51554245051 has 8 divisors (see below), whose sum is σ = 52814868624. Its totient is φ = 50293774080.

The previous prime is 51554245049. The next prime is 51554245063. The reversal of 51554245051 is 15054245515.

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 51554245051 - 2¹ = 51554245049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51554245051.

It is not an unprimeable number, because it can be changed into a prime (51554245031) 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, 962560 + ... + 1014706.

It is an arithmetic number, because the mean of its divisors is an integer number (6601858578).

Almost surely, 2^51554245051 is an apocalyptic number.

51554245051 is a deficient number, since it is larger than the sum of its proper divisors (1260623573).

51554245051 is a wasteful number, since it uses less digits than its factorization.

51554245051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76301.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 51554245051 in words is "fifty-one billion, five hundred fifty-four million, two hundred forty-five thousand, fifty-one".