5025555551 has 4 divisors (see below), whose sum is σ = 5198850600. Its totient is φ = 4852260504.

The previous prime is 5025555373. The next prime is 5025555553. The reversal of 5025555551 is 1555555205.

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 5025555551 - 2¹⁸ = 5025293407 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 (5025555553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86647481 + ... + 86647538.

It is an arithmetic number, because the mean of its divisors is an integer number (1299712650).

Almost surely, 2^5025555551 is an apocalyptic number.

5025555551 is a deficient number, since it is larger than the sum of its proper divisors (173295049).

5025555551 is a wasteful number, since it uses less digits than its factorization.

5025555551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173295048.

The product of its (nonzero) digits is 156250, while the sum is 38.

The square root of 5025555551 is about 70891.1528401112. The cubic root of 5025555551 is about 1712.8842891715.

The spelling of 5025555551 in words is "five billion, twenty-five million, five hundred fifty-five thousand, five hundred fifty-one".