51322424155 has 8 divisors (see below), whose sum is σ = 61594233552. Its totient is φ = 41053056288.

The previous prime is 51322424143. The next prime is 51322424191. The reversal of 51322424155 is 55142422315.

It is a happy number.

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 51322424155 - 2¹⁷ = 51322293083 is a prime.

It is a super-2 number, since 2×51322424155² (a number of 22 digits) contains 22 as substring.

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 51322424155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563812 + ... + 648481.

It is an arithmetic number, because the mean of its divisors is an integer number (7699279194).

Almost surely, 2^51322424155 is an apocalyptic number.

51322424155 is a deficient number, since it is larger than the sum of its proper divisors (10271809397).

51322424155 is a wasteful number, since it uses less digits than its factorization.

51322424155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220765.

The product of its digits is 48000, while the sum is 34.

The spelling of 51322424155 in words is "fifty-one billion, three hundred twenty-two million, four hundred twenty-four thousand, one hundred fifty-five".