55260219 has 16 divisors (see below), whose sum is σ = 84581120. Its totient is φ = 31436640.

The previous prime is 55260211. The next prime is 55260239. The reversal of 55260219 is 91206255.

It is a happy number.

It is not a de Polignac number, because 55260219 - 2³ = 55260211 is a prime.

It is a super-2 number, since 2×55260219² = 6107383607855922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55260211) 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, 937 + ... + 10554.

It is an arithmetic number, because the mean of its divisors is an integer number (5286320).

Almost surely, 2^55260219 is an apocalyptic number.

55260219 is a deficient number, since it is larger than the sum of its proper divisors (29320901).

55260219 is a wasteful number, since it uses less digits than its factorization.

55260219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11730.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 55260219 is about 7433.7217462049. The cubic root of 55260219 is about 380.8940605560.

The spelling of 55260219 in words is "fifty-five million, two hundred sixty thousand, two hundred nineteen".