55833278 has 4 divisors (see below), whose sum is σ = 83749920. Its totient is φ = 27916638.

The previous prime is 55833257. The next prime is 55833299. The reversal of 55833278 is 87233855.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55833257) and next prime (55833299).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13958318 + ... + 13958321.

It is an arithmetic number, because the mean of its divisors is an integer number (20937480).

Almost surely, 2^55833278 is an apocalyptic number.

55833278 is a deficient number, since it is larger than the sum of its proper divisors (27916642).

55833278 is a wasteful number, since it uses less digits than its factorization.

55833278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27916641.

The product of its digits is 201600, while the sum is 41.

The square root of 55833278 is about 7472.1668878579. The cubic root of 55833278 is about 382.2061832940.

The spelling of 55833278 in words is "fifty-five million, eight hundred thirty-three thousand, two hundred seventy-eight".