55224190 has 32 divisors (see below), whose sum is σ = 113989824. Its totient is φ = 18869760.

The previous prime is 55224187. The next prime is 55224193. The reversal of 55224190 is 9142255.

It is an interprime number because it is at equal distance from previous prime (55224187) and next prime (55224193).

It is a super-2 number, since 2×55224190² = 6099422322312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55224193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22420 + ... + 24760.

It is an arithmetic number, because the mean of its divisors is an integer number (3562182).

Almost surely, 2^55224190 is an apocalyptic number.

55224190 is an abundant number, since it is smaller than the sum of its proper divisors (58765634).

55224190 is a wasteful number, since it uses less digits than its factorization.

55224190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 55224190 is about 7431.2980023681. The cubic root of 55224190 is about 380.8112631061.

It can be divided in two parts, 552 and 24190, that added together give a palindrome (24742).

The spelling of 55224190 in words is "fifty-five million, two hundred twenty-four thousand, one hundred ninety".