5517632891 has 2 divisors, whose sum is σ = 5517632892. Its totient is φ = 5517632890.

The previous prime is 5517632873. The next prime is 5517632921. The reversal of 5517632891 is 1982367155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5517632891 - 2²² = 5513438587 is a prime.

It is not a weakly prime, because it can be changed into another prime (5517632801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758816445 + 2758816446.

It is an arithmetic number, because the mean of its divisors is an integer number (2758816446).

Almost surely, 2^5517632891 is an apocalyptic number.

5517632891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5517632891 is an equidigital number, since it uses as much as digits as its factorization.

5517632891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 47.

The square root of 5517632891 is about 74280.7706677845. The cubic root of 5517632891 is about 1767.0585264894.

The spelling of 5517632891 in words is "five billion, five hundred seventeen million, six hundred thirty-two thousand, eight hundred ninety-one".