55241345 has 4 divisors (see below), whose sum is σ = 66289620. Its totient is φ = 44193072.

The previous prime is 55241327. The next prime is 55241357. The reversal of 55241345 is 54314255.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23892544 + 31348801 = 4888^2 + 5599^2 .

It is a cyclic number.

It is not a de Polignac number, because 55241345 - 2⁶ = 55241281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5524130 + ... + 5524139.

It is an arithmetic number, because the mean of its divisors is an integer number (16572405).

Almost surely, 2^55241345 is an apocalyptic number.

It is an amenable number.

55241345 is a deficient number, since it is larger than the sum of its proper divisors (11048275).

55241345 is a wasteful number, since it uses less digits than its factorization.

55241345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11048274.

The product of its digits is 12000, while the sum is 29.

The square root of 55241345 is about 7432.4521525537. The cubic root of 55241345 is about 380.8506911229.

The spelling of 55241345 in words is "fifty-five million, two hundred forty-one thousand, three hundred forty-five".