55822131 has 6 divisors (see below), whose sum is σ = 80631980. Its totient is φ = 37214748.

The previous prime is 55822097. The next prime is 55822139. The reversal of 55822131 is 13122855.

It is a happy number.

It is not a de Polignac number, because 55822131 - 2¹⁷ = 55691059 is a prime.

It is a super-2 number, since 2×55822131² = 6232220618762322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55822095 and 55822104.

It is not an unprimeable number, because it can be changed into a prime (55822139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3101221 + ... + 3101238.

Almost surely, 2^55822131 is an apocalyptic number.

55822131 is a deficient number, since it is larger than the sum of its proper divisors (24809849).

55822131 is a wasteful number, since it uses less digits than its factorization.

55822131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202465 (or 6202462 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 55822131 is about 7471.4209491903. The cubic root of 55822131 is about 382.1807460397.

Adding to 55822131 its reverse (13122855), we get a palindrome (68944986).

The spelling of 55822131 in words is "fifty-five million, eight hundred twenty-two thousand, one hundred thirty-one".