55412042 has 12 divisors (see below), whose sum is σ = 96688530. Its totient is φ = 23747976.

The previous prime is 55412041. The next prime is 55412081. The reversal of 55412042 is 24021455.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35153041 + 20259001 = 5929^2 + 4501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55411999 and 55412017.

It is not an unprimeable number, because it can be changed into a prime (55412041) 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, 282617 + ... + 282812.

Almost surely, 2^55412042 is an apocalyptic number.

55412042 is a deficient number, since it is larger than the sum of its proper divisors (41276488).

55412042 is a wasteful number, since it uses less digits than its factorization.

55412042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565445 (or 565438 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 55412042 is about 7443.9265176384. The cubic root of 55412042 is about 381.2425668353.

Adding to 55412042 its reverse (24021455), we get a palindrome (79433497).

The spelling of 55412042 in words is "fifty-five million, four hundred twelve thousand, forty-two".