55261267 has 4 divisors (see below), whose sum is σ = 55304856. Its totient is φ = 55217680.

The previous prime is 55261259. The next prime is 55261307. The reversal of 55261267 is 76216255.

55261267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76216255 = 5 ⋅15243251.

It is a cyclic number.

It is not a de Polignac number, because 55261267 - 2³ = 55261259 is a prime.

It is a super-3 number, since 3×55261267³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55261207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19834 + ... + 22447.

It is an arithmetic number, because the mean of its divisors is an integer number (13826214).

Almost surely, 2^55261267 is an apocalyptic number.

55261267 is a deficient number, since it is larger than the sum of its proper divisors (43589).

55261267 is a wasteful number, since it uses less digits than its factorization.

55261267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43588.

The product of its digits is 25200, while the sum is 34.

The square root of 55261267 is about 7433.7922354610. The cubic root of 55261267 is about 380.8964684030.

The spelling of 55261267 in words is "fifty-five million, two hundred sixty-one thousand, two hundred sixty-seven".