55101050551 has 2 divisors, whose sum is σ = 55101050552. Its totient is φ = 55101050550.

The previous prime is 55101050507. The next prime is 55101050581. The reversal of 55101050551 is 15505010155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55101050551 - 2¹⁷ = 55100919479 is a prime.

It is a super-2 number, since 2×55101050551² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55101050581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550525275 + 27550525276.

It is an arithmetic number, because the mean of its divisors is an integer number (27550525276).

Almost surely, 2^55101050551 is an apocalyptic number.

55101050551 is a deficient number, since it is larger than the sum of its proper divisors (1).

55101050551 is an equidigital number, since it uses as much as digits as its factorization.

55101050551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 55101050551 in words is "fifty-five billion, one hundred one million, fifty thousand, five hundred fifty-one".