55469042 has 16 divisors (see below), whose sum is σ = 84195672. Its totient is φ = 27406080.

The previous prime is 55469041. The next prime is 55469047. The reversal of 55469042 is 24096455.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55338721 + 130321 = 7439^2 + 361^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 55468993 and 55469011.

It is not an unprimeable number, because it can be changed into a prime (55469041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75308 + ... + 76040.

Almost surely, 2^55469042 is an apocalyptic number.

55469042 is a deficient number, since it is larger than the sum of its proper divisors (28726630).

55469042 is a wasteful number, since it uses less digits than its factorization.

55469042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 55469042 is about 7447.7541581338. The cubic root of 55469042 is about 381.3732446843.

It can be divided in two parts, 554 and 69042, that added together give a palindrome (69596).

The spelling of 55469042 in words is "fifty-five million, four hundred sixty-nine thousand, forty-two".