5521454399 has 2 divisors, whose sum is σ = 5521454400. Its totient is φ = 5521454398.

The previous prime is 5521454387. The next prime is 5521454437. The reversal of 5521454399 is 9934541255.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5521454399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5521454699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760727199 + 2760727200.

It is an arithmetic number, because the mean of its divisors is an integer number (2760727200).

Almost surely, 2^5521454399 is an apocalyptic number.

5521454399 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521454399 is an equidigital number, since it uses as much as digits as its factorization.

5521454399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 47.

The square root of 5521454399 is about 74306.4896156453. The cubic root of 5521454399 is about 1767.4663867698.

The spelling of 5521454399 in words is "five billion, five hundred twenty-one million, four hundred fifty-four thousand, three hundred ninety-nine".