55214133 has 32 divisors (see below), whose sum is σ = 84067200. Its totient is φ = 31954176.

The previous prime is 55214129. The next prime is 55214141. The reversal of 55214133 is 33141255.

It is not a de Polignac number, because 55214133 - 2² = 55214129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55214123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199191 + ... + 199467.

It is an arithmetic number, because the mean of its divisors is an integer number (2627100).

Almost surely, 2^55214133 is an apocalyptic number.

It is an amenable number.

55214133 is a deficient number, since it is larger than the sum of its proper divisors (28853067).

55214133 is a wasteful number, since it uses less digits than its factorization.

55214133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its digits is 1800, while the sum is 24.

The square root of 55214133 is about 7430.6213064588. The cubic root of 55214133 is about 380.7881449074.

Adding to 55214133 its reverse (33141255), we get a palindrome (88355388).

The spelling of 55214133 in words is "fifty-five million, two hundred fourteen thousand, one hundred thirty-three".