55133105 has 8 divisors (see below), whose sum is σ = 66507264. Its totient is φ = 43874800.

The previous prime is 55133101. The next prime is 55133107. The reversal of 55133105 is 50133155.

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

It is not a de Polignac number, because 55133105 - 2² = 55133101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55133101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27911 + ... + 29820.

It is an arithmetic number, because the mean of its divisors is an integer number (8313408).

Almost surely, 2^55133105 is an apocalyptic number.

It is an amenable number.

55133105 is a deficient number, since it is larger than the sum of its proper divisors (11374159).

55133105 is a wasteful number, since it uses less digits than its factorization.

55133105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57927.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 55133105 is about 7425.1670014889. The cubic root of 55133105 is about 380.6017819500.

The spelling of 55133105 in words is "fifty-five million, one hundred thirty-three thousand, one hundred five".