55133254 has 16 divisors (see below), whose sum is σ = 94141440. Its totient is φ = 23970760.

The previous prime is 55133251. The next prime is 55133257. The reversal of 55133254 is 45233155.

It is an interprime number because it is at equal distance from previous prime (55133251) and next prime (55133257).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55133251) 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, 53974 + ... + 54985.

It is an arithmetic number, because the mean of its divisors is an integer number (5883840).

Almost surely, 2^55133254 is an apocalyptic number.

55133254 is a deficient number, since it is larger than the sum of its proper divisors (39008186).

55133254 is a wasteful number, since it uses less digits than its factorization.

55133254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108995.

The product of its digits is 9000, while the sum is 28.

The square root of 55133254 is about 7425.1770349265. The cubic root of 55133254 is about 380.6021248149.

Subtracting from 55133254 its reverse (45233155), we obtain a palindrome (9900099).

The spelling of 55133254 in words is "fifty-five million, one hundred thirty-three thousand, two hundred fifty-four".