55533042 has 24 divisors (see below), whose sum is σ = 122363280. Its totient is φ = 18196920.

The previous prime is 55533007. The next prime is 55533043. The reversal of 55533042 is 24033555.

It is a junction number, because it is equal to n+sod(n) for n = 55532997 and 55533015.

It is not an unprimeable number, because it can be changed into a prime (55533043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25084 + ... + 27207.

It is an arithmetic number, because the mean of its divisors is an integer number (5098470).

Almost surely, 2^55533042 is an apocalyptic number.

55533042 is an abundant number, since it is smaller than the sum of its proper divisors (66830238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55533042 is a wasteful number, since it uses less digits than its factorization.

55533042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52358 (or 52355 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 55533042 is about 7452.0495167437. The cubic root of 55533042 is about 381.5198640450.

Adding to 55533042 its reverse (24033555), we get a palindrome (79566597).

The spelling of 55533042 in words is "fifty-five million, five hundred thirty-three thousand, forty-two".