55222454 has 8 divisors (see below), whose sum is σ = 94667088. Its totient is φ = 23666760.

The previous prime is 55222423. The next prime is 55222459. The reversal of 55222454 is 45422255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55222459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1972217 + ... + 1972244.

It is an arithmetic number, because the mean of its divisors is an integer number (11833386).

Almost surely, 2^55222454 is an apocalyptic number.

55222454 is a deficient number, since it is larger than the sum of its proper divisors (39444634).

55222454 is a wasteful number, since it uses less digits than its factorization.

55222454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944470.

The product of its digits is 16000, while the sum is 29.

The square root of 55222454 is about 7431.1811981676. The cubic root of 55222454 is about 380.8072727335.

The spelling of 55222454 in words is "fifty-five million, two hundred twenty-two thousand, four hundred fifty-four".