55922043 has 4 divisors (see below), whose sum is σ = 74562728. Its totient is φ = 37281360.

The previous prime is 55922033. The next prime is 55922051. The reversal of 55922043 is 34022955.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55922043 - 2¹⁷ = 55790971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55922043.

It is not an unprimeable number, because it can be changed into a prime (55922003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9320338 + ... + 9320343.

It is an arithmetic number, because the mean of its divisors is an integer number (18640682).

Almost surely, 2^55922043 is an apocalyptic number.

55922043 is a deficient number, since it is larger than the sum of its proper divisors (18640685).

55922043 is a wasteful number, since it uses less digits than its factorization.

55922043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18640684.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55922043 is about 7478.1042383749. The cubic root of 55922043 is about 382.4086227106.

Adding to 55922043 its reverse (34022955), we get a palindrome (89944998).

The spelling of 55922043 in words is "fifty-five million, nine hundred twenty-two thousand, forty-three".