55822151 has 16 divisors (see below), whose sum is σ = 70556928. Its totient is φ = 42897600.

The previous prime is 55822147. The next prime is 55822153. The reversal of 55822151 is 15122855.

It is a cyclic number.

It is not a de Polignac number, because 55822151 - 2² = 55822147 is a prime.

It is a super-2 number, since 2×55822151² = 6232225084533602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55822153) 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, 656 + ... + 10586.

It is an arithmetic number, because the mean of its divisors is an integer number (4409808).

Almost surely, 2^55822151 is an apocalyptic number.

55822151 is a deficient number, since it is larger than the sum of its proper divisors (14734777).

55822151 is a wasteful number, since it uses less digits than its factorization.

55822151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10022.

The product of its digits is 4000, while the sum is 29.

The square root of 55822151 is about 7471.4222876237. The cubic root of 55822151 is about 382.1807916823.

The spelling of 55822151 in words is "fifty-five million, eight hundred twenty-two thousand, one hundred fifty-one".