55630043 has 12 divisors (see below), whose sum is σ = 68119560. Its totient is φ = 45172512.

The previous prime is 55630021. The next prime is 55630063. The reversal of 55630043 is 34003655.

It is a de Polignac number, because none of the positive numbers 2^k-55630043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55629994 and 55630021.

It is not an unprimeable number, because it can be changed into a prime (55630063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28946 + ... + 30807.

It is an arithmetic number, because the mean of its divisors is an integer number (5676630).

Almost surely, 2^55630043 is an apocalyptic number.

55630043 is a deficient number, since it is larger than the sum of its proper divisors (12489517).

55630043 is a wasteful number, since it uses less digits than its factorization.

55630043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59786 (or 59779 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 55630043 is about 7458.5550209139. Note that the first 3 decimals coincide. The cubic root of 55630043 is about 381.7418717026.

Adding to 55630043 its reverse (34003655), we get a palindrome (89633698).

The spelling of 55630043 in words is "fifty-five million, six hundred thirty thousand, forty-three".