5215455 has 32 divisors (see below), whose sum is σ = 10598400. Its totient is φ = 2383776.

The previous prime is 5215451. The next prime is 5215459. The reversal of 5215455 is 5545125.

It is an interprime number because it is at equal distance from previous prime (5215451) and next prime (5215459).

It is not a de Polignac number, because 5215455 - 2² = 5215451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1815 + ... + 3704.

It is an arithmetic number, because the mean of its divisors is an integer number (331200).

Almost surely, 2^5215455 is an apocalyptic number.

5215455 is an abundant number, since it is smaller than the sum of its proper divisors (5382945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5215455 is a wasteful number, since it uses less digits than its factorization.

5215455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540 (or 5534 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 5215455 is about 2283.7370689289. The cubic root of 5215455 is about 173.4192888110.

The spelling of 5215455 in words is "five million, two hundred fifteen thousand, four hundred fifty-five".