55317146 has 8 divisors (see below), whose sum is σ = 85218420. Its totient is φ = 26911008.

The previous prime is 55317131. The next prime is 55317211. The reversal of 55317146 is 64171355.

It can be written as a sum of positive squares in 2 ways, for example, as 53655625 + 1661521 = 7325^2 + 1289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 373691 + ... + 373838.

Almost surely, 2^55317146 is an apocalyptic number.

55317146 is a deficient number, since it is larger than the sum of its proper divisors (29901274).

55317146 is a wasteful number, since it uses less digits than its factorization.

55317146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747568.

The product of its digits is 12600, while the sum is 32.

The square root of 55317146 is about 7437.5497309262. The cubic root of 55317146 is about 381.0248099155.

The spelling of 55317146 in words is "fifty-five million, three hundred seventeen thousand, one hundred forty-six".