5551401143 has 4 divisors (see below), whose sum is σ = 5627447808. Its totient is φ = 5475354480.

The previous prime is 5551401139. The next prime is 5551401161. The reversal of 5551401143 is 3411041555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5551401143 - 2² = 5551401139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551401103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38023223 + ... + 38023368.

It is an arithmetic number, because the mean of its divisors is an integer number (1406861952).

Almost surely, 2^5551401143 is an apocalyptic number.

5551401143 is a deficient number, since it is larger than the sum of its proper divisors (76046665).

5551401143 is an equidigital number, since it uses as much as digits as its factorization.

5551401143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76046664.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 5551401143 is about 74507.7253913982. The cubic root of 5551401143 is about 1770.6560330049.

Adding to 5551401143 its reverse (3411041555), we get a palindrome (8962442698).

The spelling of 5551401143 in words is "five billion, five hundred fifty-one million, four hundred one thousand, one hundred forty-three".