55333434 has 32 divisors (see below), whose sum is σ = 125455680. Its totient is φ = 16129152.

The previous prime is 55333433. The next prime is 55333441. The reversal of 55333434 is 43433355.

It is not an unprimeable number, because it can be changed into a prime (55333433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17187 + ... + 20150.

It is an arithmetic number, because the mean of its divisors is an integer number (3920490).

Almost surely, 2^55333434 is an apocalyptic number.

55333434 is an abundant number, since it is smaller than the sum of its proper divisors (70122246).

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

55333434 is a wasteful number, since it uses less digits than its factorization.

55333434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37374.

The product of its digits is 32400, while the sum is 30.

The square root of 55333434 is about 7438.6446346092. The cubic root of 55333434 is about 381.0622035238.

Adding to 55333434 its reverse (43433355), we get a palindrome (98766789).

The spelling of 55333434 in words is "fifty-five million, three hundred thirty-three thousand, four hundred thirty-four".