55372234 has 4 divisors (see below), whose sum is σ = 83058354. Its totient is φ = 27686116.

The previous prime is 55372199. The next prime is 55372243. The reversal of 55372234 is 43227355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53802225 + 1570009 = 7335^2 + 1253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55372196 and 55372205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13843057 + ... + 13843060.

Almost surely, 2^55372234 is an apocalyptic number.

55372234 is a deficient number, since it is larger than the sum of its proper divisors (27686120).

55372234 is a wasteful number, since it uses less digits than its factorization.

55372234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27686119.

The product of its digits is 25200, while the sum is 31.

The square root of 55372234 is about 7441.2521795730. The cubic root of 55372234 is about 381.1512501030.

Adding to 55372234 its reverse (43227355), we get a palindrome (98599589).

The spelling of 55372234 in words is "fifty-five million, three hundred seventy-two thousand, two hundred thirty-four".