55226081 has 8 divisors (see below), whose sum is σ = 59719680. Its totient is φ = 50870848.

The previous prime is 55226069. The next prime is 55226099. The reversal of 55226081 is 18062255.

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

It is a cyclic number.

It is not a de Polignac number, because 55226081 - 2¹⁰ = 55225057 is a prime.

It is a super-2 number, since 2×55226081² = 6099840045237122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55226021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33761 + ... + 35358.

It is an arithmetic number, because the mean of its divisors is an integer number (7464960).

Almost surely, 2^55226081 is an apocalyptic number.

It is an amenable number.

55226081 is a deficient number, since it is larger than the sum of its proper divisors (4493599).

55226081 is a wasteful number, since it uses less digits than its factorization.

55226081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69183.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 55226081 is about 7431.4252334260. The cubic root of 55226081 is about 380.8156096667.

The spelling of 55226081 in words is "fifty-five million, two hundred twenty-six thousand, eighty-one".