4955278 has 4 divisors (see below), whose sum is σ = 7432920. Its totient is φ = 2477638.

The previous prime is 4955263. The next prime is 4955297. The reversal of 4955278 is 8725594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8725594 = 2 ⋅4362797.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4955278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1238818 + ... + 1238821.

It is an arithmetic number, because the mean of its divisors is an integer number (1858230).

Almost surely, 2^4955278 is an apocalyptic number.

4955278 is a deficient number, since it is larger than the sum of its proper divisors (2477642).

4955278 is a wasteful number, since it uses less digits than its factorization.

4955278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477641.

The product of its digits is 100800, while the sum is 40.

The square root of 4955278 is about 2226.0453724037. The cubic root of 4955278 is about 170.4862434184.

The spelling of 4955278 in words is "four million, nine hundred fifty-five thousand, two hundred seventy-eight".