5478455 has 4 divisors (see below), whose sum is σ = 6574152. Its totient is φ = 4382760.

The previous prime is 5478433. The next prime is 5478457. The reversal of 5478455 is 5548745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5548745 = 5 ⋅1109749.

It is not a de Polignac number, because 5478455 - 2¹⁴ = 5462071 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 (5478457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547841 + ... + 547850.

It is an arithmetic number, because the mean of its divisors is an integer number (1643538).

Almost surely, 2^5478455 is an apocalyptic number.

5478455 is a deficient number, since it is larger than the sum of its proper divisors (1095697).

5478455 is a wasteful number, since it uses less digits than its factorization.

5478455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095696.

The product of its digits is 112000, while the sum is 38.

The square root of 5478455 is about 2340.6099632361. The cubic root of 5478455 is about 176.2866261927.

The spelling of 5478455 in words is "five million, four hundred seventy-eight thousand, four hundred fifty-five".