55222461 has 18 divisors (see below), whose sum is σ = 92789502. Its totient is φ = 31555440.

The previous prime is 55222459. The next prime is 55222481. The reversal of 55222461 is 16422255.

55222461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 49491225 + 5731236 = 7035^2 + 2394^2 .

It is not a de Polignac number, because 55222461 - 2¹ = 55222459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55222421) 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 17 ways as a sum of consecutive naturals, for example, 62170 + ... + 63051.

Almost surely, 2^55222461 is an apocalyptic number.

It is an amenable number.

55222461 is a deficient number, since it is larger than the sum of its proper divisors (37567041).

55222461 is a wasteful number, since it uses less digits than its factorization.

55222461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125241 (or 125231 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 55222461 is about 7431.1816691560. The cubic root of 55222461 is about 380.8072888239.

The spelling of 55222461 in words is "fifty-five million, two hundred twenty-two thousand, four hundred sixty-one".