5185455 has 24 divisors (see below), whose sum is σ = 9122736. Its totient is φ = 2513280.

The previous prime is 5185447. The next prime is 5185483. The reversal of 5185455 is 5545815.

It is not a de Polignac number, because 5185455 - 2³ = 5185447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

5185455 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387 + ... + 3243.

It is an arithmetic number, because the mean of its divisors is an integer number (380114).

Almost surely, 2^5185455 is an apocalyptic number.

5185455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5185455 is a deficient number, since it is larger than the sum of its proper divisors (3937281).

5185455 is a wasteful number, since it uses less digits than its factorization.

5185455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887 (or 2876 counting only the distinct ones).

The product of its digits is 20000, while the sum is 33.

The square root of 5185455 is about 2277.1594147095. The cubic root of 5185455 is about 173.0861388445.

The spelling of 5185455 in words is "five million, one hundred eighty-five thousand, four hundred fifty-five".