55822403 has 32 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 41728896.

The previous prime is 55822369. The next prime is 55822411. The reversal of 55822403 is 30422855.

It is a cyclic number.

It is not a de Polignac number, because 55822403 - 2⁸ = 55822147 is a prime.

It is a super-2 number, since 2×55822403² = 6232281353388818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55822453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311768 + ... + 311946.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2^55822403 is an apocalyptic number.

55822403 is a deficient number, since it is larger than the sum of its proper divisors (16753597).

55822403 is a wasteful number, since it uses less digits than its factorization.

55822403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 55822403 is about 7471.4391518636. The cubic root of 55822403 is about 382.1813667791.

The spelling of 55822403 in words is "fifty-five million, eight hundred twenty-two thousand, four hundred three".