55390016951 has 2 divisors, whose sum is σ = 55390016952. Its totient is φ = 55390016950.

The previous prime is 55390016917. The next prime is 55390016963. The reversal of 55390016951 is 15961009355.

55390016951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55390016951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55390016911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27695008475 + 27695008476.

It is an arithmetic number, because the mean of its divisors is an integer number (27695008476).

Almost surely, 2^55390016951 is an apocalyptic number.

55390016951 is a deficient number, since it is larger than the sum of its proper divisors (1).

55390016951 is an equidigital number, since it uses as much as digits as its factorization.

55390016951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 182250, while the sum is 44.

The spelling of 55390016951 in words is "fifty-five billion, three hundred ninety million, sixteen thousand, nine hundred fifty-one".