5515553983 has 2 divisors, whose sum is σ = 5515553984. Its totient is φ = 5515553982.

The previous prime is 5515553929. The next prime is 5515554019. The reversal of 5515553983 is 3893555155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5515553983 - 2¹⁷ = 5515422911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5515553903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757776991 + 2757776992.

It is an arithmetic number, because the mean of its divisors is an integer number (2757776992).

Almost surely, 2^5515553983 is an apocalyptic number.

5515553983 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515553983 is an equidigital number, since it uses as much as digits as its factorization.

5515553983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2025000, while the sum is 49.

The square root of 5515553983 is about 74266.7757681724. The cubic root of 5515553983 is about 1766.8365705864.

The spelling of 5515553983 in words is "five billion, five hundred fifteen million, five hundred fifty-three thousand, nine hundred eighty-three".