55930243 has 4 divisors (see below), whose sum is σ = 58873960. Its totient is φ = 52986528.

The previous prime is 55930223. The next prime is 55930247. The reversal of 55930243 is 34203955.

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

It is a cyclic number.

It is not a de Polignac number, because 55930243 - 2¹³ = 55922051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55930247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471830 + ... + 1471867.

It is an arithmetic number, because the mean of its divisors is an integer number (14718490).

Almost surely, 2^55930243 is an apocalyptic number.

55930243 is a deficient number, since it is larger than the sum of its proper divisors (2943717).

55930243 is a wasteful number, since it uses less digits than its factorization.

55930243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943716.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 55930243 is about 7478.6524855752. The cubic root of 55930243 is about 382.4273129997.

The spelling of 55930243 in words is "fifty-five million, nine hundred thirty thousand, two hundred forty-three".