55081874 has 8 divisors (see below), whose sum is σ = 86971440. Its totient is φ = 26091396.

The previous prime is 55081861. The next prime is 55081877. The reversal of 55081874 is 47818055.

55081874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1449523 = 55081874 / (5 + 5 + 0 + 8 + 1 + 8 + 7 + 4).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55081877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724724 + ... + 724799.

It is an arithmetic number, because the mean of its divisors is an integer number (10871430).

Almost surely, 2^55081874 is an apocalyptic number.

55081874 is a deficient number, since it is larger than the sum of its proper divisors (31889566).

55081874 is a wasteful number, since it uses less digits than its factorization.

55081874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449544.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 55081874 is about 7421.7163783050. The cubic root of 55081874 is about 380.4838573230.

It can be divided in two parts, 55081 and 874, that added together give a palindrome (55955).

The spelling of 55081874 in words is "fifty-five million, eighty-one thousand, eight hundred seventy-four".