55500016951 has 2 divisors, whose sum is σ = 55500016952. Its totient is φ = 55500016950.

The previous prime is 55500016919. The next prime is 55500016993. The reversal of 55500016951 is 15961000555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55500016951 - 2⁵ = 55500016919 is a prime.

It is a super-2 number, since 2×55500016951² (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 55500016951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55500016151) 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 as a sum of consecutive naturals, namely, 27750008475 + 27750008476.

It is an arithmetic number, because the mean of its divisors is an integer number (27750008476).

Almost surely, 2^55500016951 is an apocalyptic number.

55500016951 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500016951 is an equidigital number, since it uses as much as digits as its factorization.

55500016951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33750, while the sum is 37.

The spelling of 55500016951 in words is "fifty-five billion, five hundred million, sixteen thousand, nine hundred fifty-one".