55310516 has 6 divisors (see below), whose sum is σ = 96793410. Its totient is φ = 27655256.

The previous prime is 55310509. The next prime is 55310527. The reversal of 55310516 is 61501355.

It can be written as a sum of positive squares in only one way, i.e., 49646116 + 5664400 = 7046^2 + 2380^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6913811 + ... + 6913818.

It is an arithmetic number, because the mean of its divisors is an integer number (16132235).

Almost surely, 2^55310516 is an apocalyptic number.

It is an amenable number.

55310516 is a deficient number, since it is larger than the sum of its proper divisors (41482894).

55310516 is a wasteful number, since it uses less digits than its factorization.

55310516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13827633 (or 13827631 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 55310516 is about 7437.1040062648. The cubic root of 55310516 is about 381.0095868150.

The spelling of 55310516 in words is "fifty-five million, three hundred ten thousand, five hundred sixteen".