5425555551 has 48 divisors (see below), whose sum is σ = 8162795520. Its totient is φ = 3200446080.

The previous prime is 5425555549. The next prime is 5425555609. The reversal of 5425555551 is 1555555245.

It is not a de Polignac number, because 5425555551 - 2¹ = 5425555549 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5425555501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1711570 + ... + 1714736.

It is an arithmetic number, because the mean of its divisors is an integer number (170058240).

Almost surely, 2^5425555551 is an apocalyptic number.

5425555551 is a deficient number, since it is larger than the sum of its proper divisors (2737239969).

5425555551 is a wasteful number, since it uses less digits than its factorization.

5425555551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336 (or 3323 counting only the distinct ones).

The product of its digits is 625000, while the sum is 42.

The square root of 5425555551 is about 73658.3705426613. The cubic root of 5425555551 is about 1757.1738768034.

The spelling of 5425555551 in words is "five billion, four hundred twenty-five million, five hundred fifty-five thousand, five hundred fifty-one".