5545555031 has 2 divisors, whose sum is σ = 5545555032. Its totient is φ = 5545555030.

The previous prime is 5545554991. The next prime is 5545555049. The reversal of 5545555031 is 1305555455.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5545555031 - 2²⁶ = 5478446167 is a prime.

It is a super-2 number, since 2×5545555031² = 61506361203698821922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5545555531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772777515 + 2772777516.

It is an arithmetic number, because the mean of its divisors is an integer number (2772777516).

Almost surely, 2^5545555031 is an apocalyptic number.

5545555031 is a deficient number, since it is larger than the sum of its proper divisors (1).

5545555031 is an equidigital number, since it uses as much as digits as its factorization.

5545555031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 187500, while the sum is 38.

The square root of 5545555031 is about 74468.4834745545. The cubic root of 5545555031 is about 1770.0342626923.

The spelling of 5545555031 in words is "five billion, five hundred forty-five million, five hundred fifty-five thousand, thirty-one".