55255263 has 8 divisors (see below), whose sum is σ = 84198528. Its totient is φ = 31574424.

The previous prime is 55255259. The next prime is 55255267. The reversal of 55255263 is 36255255.

It is an interprime number because it is at equal distance from previous prime (55255259) and next prime (55255267).

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

It is not a de Polignac number, because 55255263 - 2² = 55255259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55255267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315581 + ... + 1315622.

It is an arithmetic number, because the mean of its divisors is an integer number (10524816).

Almost surely, 2^55255263 is an apocalyptic number.

55255263 is a deficient number, since it is larger than the sum of its proper divisors (28943265).

55255263 is a wasteful number, since it uses less digits than its factorization.

55255263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631213.

The product of its digits is 45000, while the sum is 33.

The square root of 55255263 is about 7433.3883929201. The cubic root of 55255263 is about 380.8826734169.

The spelling of 55255263 in words is "fifty-five million, two hundred fifty-five thousand, two hundred sixty-three".