55275526 has 4 divisors (see below), whose sum is σ = 82913292. Its totient is φ = 27637762.

The previous prime is 55275523. The next prime is 55275529. The reversal of 55275526 is 62557255.

It is a happy number.

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 (55275523) and next prime (55275529).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55275523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13818880 + ... + 13818883.

It is an arithmetic number, because the mean of its divisors is an integer number (20728323).

Almost surely, 2^55275526 is an apocalyptic number.

55275526 is a deficient number, since it is larger than the sum of its proper divisors (27637766).

55275526 is a wasteful number, since it uses less digits than its factorization.

55275526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27637765.

The product of its digits is 105000, while the sum is 37.

The square root of 55275526 is about 7434.7512399542. The cubic root of 55275526 is about 380.9292263422.

The spelling of 55275526 in words is "fifty-five million, two hundred seventy-five thousand, five hundred twenty-six".