55545722 has 4 divisors (see below), whose sum is σ = 83318586. Its totient is φ = 27772860.

The previous prime is 55545719. The next prime is 55545739. The reversal of 55545722 is 22754555.

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., 55368481 + 177241 = 7441^2 + 421^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13886429 + ... + 13886432.

Almost surely, 2^55545722 is an apocalyptic number.

55545722 is a deficient number, since it is larger than the sum of its proper divisors (27772864).

55545722 is a wasteful number, since it uses less digits than its factorization.

55545722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27772863.

The product of its digits is 70000, while the sum is 35.

The square root of 55545722 is about 7452.9002408458. The cubic root of 55545722 is about 381.5488996338.

The spelling of 55545722 in words is "fifty-five million, five hundred forty-five thousand, seven hundred twenty-two".