55125043 has 4 divisors (see below), whose sum is σ = 57521808. Its totient is φ = 52728280.

The previous prime is 55125017. The next prime is 55125053. The reversal of 55125043 is 34052155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34052155 = 5 ⋅6810431.

It is a cyclic number.

It is not a de Polignac number, because 55125043 - 2¹³ = 55116851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55124999 and 55125017.

It is not an unprimeable number, because it can be changed into a prime (55125013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198348 + ... + 1198393.

It is an arithmetic number, because the mean of its divisors is an integer number (14380452).

Almost surely, 2^55125043 is an apocalyptic number.

55125043 is a deficient number, since it is larger than the sum of its proper divisors (2396765).

55125043 is a wasteful number, since it uses less digits than its factorization.

55125043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396764.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55125043 is about 7424.6240982288. The cubic root of 55125043 is about 380.5832295084.

Adding to 55125043 its reverse (34052155), we get a palindrome (89177198).

The spelling of 55125043 in words is "fifty-five million, one hundred twenty-five thousand, forty-three".