5549940131 has 2 divisors, whose sum is σ = 5549940132. Its totient is φ = 5549940130.

The previous prime is 5549940107. The next prime is 5549940169. The reversal of 5549940131 is 1310499455.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5549940131 is a prime.

It is a super-2 number, since 2×5549940131² = 61603670915368594322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5549940191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2774970065 + 2774970066.

It is an arithmetic number, because the mean of its divisors is an integer number (2774970066).

Almost surely, 2^5549940131 is an apocalyptic number.

5549940131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5549940131 is an equidigital number, since it uses as much as digits as its factorization.

5549940131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 5549940131 is about 74497.9203132544. The cubic root of 5549940131 is about 1770.5006862362.

The spelling of 5549940131 in words is "five billion, five hundred forty-nine million, nine hundred forty thousand, one hundred thirty-one".