55133454 has 8 divisors (see below), whose sum is σ = 110266920. Its totient is φ = 18377816.

The previous prime is 55133423. The next prime is 55133467. The reversal of 55133454 is 45433155.

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

55133454 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4594449 + ... + 4594460.

It is an arithmetic number, because the mean of its divisors is an integer number (13783365).

Almost surely, 2^55133454 is an apocalyptic number.

55133454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55133454 is a wasteful number, since it uses less digits than its factorization.

55133454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9188914.

The product of its digits is 18000, while the sum is 30.

The square root of 55133454 is about 7425.1905026067. The cubic root of 55133454 is about 380.6025850352.

The spelling of 55133454 in words is "fifty-five million, one hundred thirty-three thousand, four hundred fifty-four".