55806922 has 4 divisors (see below), whose sum is σ = 83710386. Its totient is φ = 27903460.

The previous prime is 55806893. The next prime is 55806977. The reversal of 55806922 is 22960855.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22960855 = 5 ⋅4592171.

It can be written as a sum of positive squares in only one way, i.e., 37222201 + 18584721 = 6101^2 + 4311^2 .

It is a super-3 number, since 3×55806922³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13951729 + ... + 13951732.

Almost surely, 2^55806922 is an apocalyptic number.

55806922 is a deficient number, since it is larger than the sum of its proper divisors (27903464).

55806922 is a wasteful number, since it uses less digits than its factorization.

55806922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27903463.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 55806922 is about 7470.4030681082. The cubic root of 55806922 is about 382.1460339113.

The spelling of 55806922 in words is "fifty-five million, eight hundred six thousand, nine hundred twenty-two".