55252616 has 8 divisors (see below), whose sum is σ = 103598670. Its totient is φ = 27626304.

The previous prime is 55252609. The next prime is 55252621. The reversal of 55252616 is 61625255.

It can be written as a sum of positive squares in only one way, i.e., 35450116 + 19802500 = 5954^2 + 4450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 3453281 + ... + 3453296.

Almost surely, 2^55252616 is an apocalyptic number.

It is an amenable number.

55252616 is a deficient number, since it is larger than the sum of its proper divisors (48346054).

55252616 is a wasteful number, since it uses less digits than its factorization.

55252616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6906583 (or 6906579 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 55252616 is about 7433.2103427792. The cubic root of 55252616 is about 380.8765912661.

The spelling of 55252616 in words is "fifty-five million, two hundred fifty-two thousand, six hundred sixteen".