55869293 has 4 divisors (see below), whose sum is σ = 59155740. Its totient is φ = 52582848.

The previous prime is 55869287. The next prime is 55869299. The reversal of 55869293 is 39296855.

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

It is an interprime number because it is at equal distance from previous prime (55869287) and next prime (55869299).

It can be written as a sum of positive squares in 2 ways, for example, as 37908649 + 17960644 = 6157^2 + 4238^2 .

It is a cyclic number.

It is not a de Polignac number, because 55869293 - 2¹² = 55865197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55869299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643198 + ... + 1643231.

It is an arithmetic number, because the mean of its divisors is an integer number (14788935).

Almost surely, 2^55869293 is an apocalyptic number.

It is an amenable number.

55869293 is a deficient number, since it is larger than the sum of its proper divisors (3286447).

55869293 is a wasteful number, since it uses less digits than its factorization.

55869293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286446.

The product of its digits is 583200, while the sum is 47.

The square root of 55869293 is about 7474.5764428495. The cubic root of 55869293 is about 382.2883457458.

The spelling of 55869293 in words is "fifty-five million, eight hundred sixty-nine thousand, two hundred ninety-three".