55001050999 has 2 divisors, whose sum is σ = 55001051000. Its totient is φ = 55001050998.

The previous prime is 55001050991. The next prime is 55001051047. The reversal of 55001050999 is 99905010055.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55001050999 - 2³ = 55001050991 is a prime.

It is a super-2 number, since 2×55001050999² (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 (55001050991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500525499 + 27500525500.

It is an arithmetic number, because the mean of its divisors is an integer number (27500525500).

Almost surely, 2^55001050999 is an apocalyptic number.

55001050999 is a deficient number, since it is larger than the sum of its proper divisors (1).

55001050999 is an equidigital number, since it uses as much as digits as its factorization.

55001050999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91125, while the sum is 43.

The spelling of 55001050999 in words is "fifty-five billion, one million, fifty thousand, nine hundred ninety-nine".