55545234 has 16 divisors (see below), whose sum is σ = 111891360. Its totient is φ = 18381600.

The previous prime is 55545233. The next prime is 55545241. The reversal of 55545234 is 43254555.

It is a super-2 number, since 2×55545234² = 6170546040229512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55545195 and 55545204.

It is not an unprimeable number, because it can be changed into a prime (55545233) 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, 32467 + ... + 34134.

It is an arithmetic number, because the mean of its divisors is an integer number (6993210).

Almost surely, 2^55545234 is an apocalyptic number.

55545234 is an abundant number, since it is smaller than the sum of its proper divisors (56346126).

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

55545234 is a wasteful number, since it uses less digits than its factorization.

55545234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66745.

The product of its digits is 60000, while the sum is 33.

The square root of 55545234 is about 7452.8675018412. The cubic root of 55545234 is about 381.5477822576.

Adding to 55545234 its reverse (43254555), we get a palindrome (98799789).

The spelling of 55545234 in words is "fifty-five million, five hundred forty-five thousand, two hundred thirty-four".