55615234 has 4 divisors (see below), whose sum is σ = 83422854. Its totient is φ = 27807616.

The previous prime is 55615213. The next prime is 55615247. The reversal of 55615234 is 43251655.

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., 50339025 + 5276209 = 7095^2 + 2297^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55615196 and 55615205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13903807 + ... + 13903810.

Almost surely, 2^55615234 is an apocalyptic number.

55615234 is a deficient number, since it is larger than the sum of its proper divisors (27807620).

55615234 is a wasteful number, since it uses less digits than its factorization.

55615234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27807619.

The product of its digits is 18000, while the sum is 31.

The square root of 55615234 is about 7457.5622022213. The cubic root of 55615234 is about 381.7079948213.

Adding to 55615234 its reverse (43251655), we get a palindrome (98866889).

The spelling of 55615234 in words is "fifty-five million, six hundred fifteen thousand, two hundred thirty-four".