55344505 has 8 divisors (see below), whose sum is σ = 66455424. Its totient is φ = 44247600.

The previous prime is 55344493. The next prime is 55344533. The reversal of 55344505 is 50544355.

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

It is not a de Polignac number, because 55344505 - 2¹¹ = 55342457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9760 + ... + 14350.

It is an arithmetic number, because the mean of its divisors is an integer number (8306928).

Almost surely, 2^55344505 is an apocalyptic number.

It is an amenable number.

55344505 is a deficient number, since it is larger than the sum of its proper divisors (11110919).

55344505 is a wasteful number, since it uses less digits than its factorization.

55344505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7007.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 55344505 is about 7439.3887517726. The cubic root of 55344505 is about 381.0876158772.

The spelling of 55344505 in words is "fifty-five million, three hundred forty-four thousand, five hundred five".