5185551 has 8 divisors (see below), whose sum is σ = 7901824. Its totient is φ = 2963160.

The previous prime is 5185529. The next prime is 5185559. The reversal of 5185551 is 1555815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5185551 - 2⁶ = 5185487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123445 + ... + 123486.

It is an arithmetic number, because the mean of its divisors is an integer number (987728).

Almost surely, 2^5185551 is an apocalyptic number.

5185551 is a deficient number, since it is larger than the sum of its proper divisors (2716273).

5185551 is a wasteful number, since it uses less digits than its factorization.

5185551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246941.

The product of its digits is 5000, while the sum is 30.

The square root of 5185551 is about 2277.1804935051. The cubic root of 5185551 is about 173.0872069711.

The spelling of 5185551 in words is "five million, one hundred eighty-five thousand, five hundred fifty-one".