50551100005591 has 2 divisors, whose sum is σ = 50551100005592. Its totient is φ = 50551100005590.

The previous prime is 50551100005583. The next prime is 50551100005621. The reversal of 50551100005591 is 19550000115505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50551100005591 - 2³ = 50551100005583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50551100005591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50551100005891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275550002795 + 25275550002796.

It is an arithmetic number, because the mean of its divisors is an integer number (25275550002796).

Almost surely, 2^{50551100005591} is an apocalyptic number.

50551100005591 is a deficient number, since it is larger than the sum of its proper divisors (1).

50551100005591 is an equidigital number, since it uses as much as digits as its factorization.

50551100005591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28125, while the sum is 37.

The spelling of 50551100005591 in words is "fifty trillion, five hundred fifty-one billion, one hundred million, five thousand, five hundred ninety-one".