55266255 has 48 divisors (see below), whose sum is σ = 105131520. Its totient is φ = 26635200.

The previous prime is 55266251. The next prime is 55266259.

55266255 is a `hidden beast` number, since 5 + 5 + 26 + 625 + 5 = 666.

55266255 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (55266251) and next prime (55266259).

It is not a de Polignac number, because 55266255 - 2² = 55266251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55266251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153766 + ... + 154124.

It is an arithmetic number, because the mean of its divisors is an integer number (2190240).

Almost surely, 2^55266255 is an apocalyptic number.

55266255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55266255 is a deficient number, since it is larger than the sum of its proper divisors (49865265).

55266255 is a wasteful number, since it uses less digits than its factorization.

55266255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 689 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 55266255 is about 7434.1277228737. The cubic root of 55266255 is about 380.9079282345.

It can be divided in two parts, 5526 and 6255, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 55266255 in words is "fifty-five million, two hundred sixty-six thousand, two hundred fifty-five".