55334145 has 16 divisors (see below), whose sum is σ = 88627392. Its totient is φ = 29480640.

The previous prime is 55334143. The next prime is 55334171. The reversal of 55334145 is 54143355.

It is not a de Polignac number, because 55334145 - 2¹ = 55334143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55334143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24775 + ... + 26915.

It is an arithmetic number, because the mean of its divisors is an integer number (5539212).

Almost surely, 2^55334145 is an apocalyptic number.

It is an amenable number.

55334145 is a deficient number, since it is larger than the sum of its proper divisors (33293247).

55334145 is a wasteful number, since it uses less digits than its factorization.

55334145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872.

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

The square root of 55334145 is about 7438.6924254199. The cubic root of 55334145 is about 381.0638356538.

The spelling of 55334145 in words is "fifty-five million, three hundred thirty-four thousand, one hundred forty-five".