5621455 has 16 divisors (see below), whose sum is σ = 7838784. Its totient is φ = 3790080.

The previous prime is 5621443. The next prime is 5621467. The reversal of 5621455 is 5541265.

It is an interprime number because it is at equal distance from previous prime (5621443) and next prime (5621467).

It is not a de Polignac number, because 5621455 - 2⁵ = 5621423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (489924).

Almost surely, 2^5621455 is an apocalyptic number.

5621455 is a deficient number, since it is larger than the sum of its proper divisors (2217329).

5621455 is a wasteful number, since it uses less digits than its factorization.

5621455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706.

The product of its digits is 6000, while the sum is 28.

The square root of 5621455 is about 2370.9607757194. The cubic root of 5621455 is about 177.8072968199.

The spelling of 5621455 in words is "five million, six hundred twenty-one thousand, four hundred fifty-five".