55022055 has 48 divisors (see below), whose sum is σ = 99522432. Its totient is φ = 25742400.

The previous prime is 55022053. The next prime is 55022057.

55022055 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (55022053) and next prime (55022057).

It is not a de Polignac number, because 55022055 - 2¹ = 55022053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55022053) 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, 158392 + ... + 158738.

It is an arithmetic number, because the mean of its divisors is an integer number (2073384).

Almost surely, 2^55022055 is an apocalyptic number.

55022055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55022055 is a deficient number, since it is larger than the sum of its proper divisors (44500377).

55022055 is a wasteful number, since it uses less digits than its factorization.

55022055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 55022055 is about 7417.6852858557. The cubic root of 55022055 is about 380.3460720809.

It can be divided in two parts, 5502 and 2055, that added together give a palindrome (7557).

The spelling of 55022055 in words is "fifty-five million, twenty-two thousand, fifty-five".