51450415223 has 2 divisors, whose sum is σ = 51450415224. Its totient is φ = 51450415222.

The previous prime is 51450415201. The next prime is 51450415249. The reversal of 51450415223 is 32251405415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51450415223 - 2²⁴ = 51433638007 is a prime.

It is a super-2 number, since 2×51450415223² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51450415223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51450415123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25725207611 + 25725207612.

It is an arithmetic number, because the mean of its divisors is an integer number (25725207612).

Almost surely, 2^51450415223 is an apocalyptic number.

51450415223 is a deficient number, since it is larger than the sum of its proper divisors (1).

51450415223 is an equidigital number, since it uses as much as digits as its factorization.

51450415223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 51450415223 in words is "fifty-one billion, four hundred fifty million, four hundred fifteen thousand, two hundred twenty-three".