55180514 has 4 divisors (see below), whose sum is σ = 82770774. Its totient is φ = 27590256.

The previous prime is 55180493. The next prime is 55180529. The reversal of 55180514 is 41508155.

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., 42471289 + 12709225 = 6517^2 + 3565^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13795127 + ... + 13795130.

Almost surely, 2^55180514 is an apocalyptic number.

55180514 is a deficient number, since it is larger than the sum of its proper divisors (27590260).

55180514 is a wasteful number, since it uses less digits than its factorization.

55180514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27590259.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 55180514 is about 7428.3587689341. The cubic root of 55180514 is about 380.7108439515.

Adding to 55180514 its reverse (41508155), we get a palindrome (96688669).

The spelling of 55180514 in words is "fifty-five million, one hundred eighty thousand, five hundred fourteen".