55214506 has 4 divisors (see below), whose sum is σ = 82821762. Its totient is φ = 27607252.

The previous prime is 55214479. The next prime is 55214527. The reversal of 55214506 is 60541255.

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., 47734281 + 7480225 = 6909^2 + 2735^2 .

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, 13803625 + ... + 13803628.

Almost surely, 2^55214506 is an apocalyptic number.

55214506 is a deficient number, since it is larger than the sum of its proper divisors (27607256).

55214506 is a wasteful number, since it uses less digits than its factorization.

55214506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27607255.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 55214506 is about 7430.6464052598. The cubic root of 55214506 is about 380.7890023791.

The spelling of 55214506 in words is "fifty-five million, two hundred fourteen thousand, five hundred six".