55316501 has 4 divisors (see below), whose sum is σ = 55752192. Its totient is φ = 54880812.

The previous prime is 55316483. The next prime is 55316557. The reversal of 55316501 is 10561355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55316501 - 2¹⁴ = 55300117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55316801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217655 + ... + 217908.

It is an arithmetic number, because the mean of its divisors is an integer number (13938048).

Almost surely, 2^55316501 is an apocalyptic number.

It is an amenable number.

55316501 is a deficient number, since it is larger than the sum of its proper divisors (435691).

55316501 is a wasteful number, since it uses less digits than its factorization.

55316501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435690.

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

The square root of 55316501 is about 7437.5063697452. The cubic root of 55316501 is about 381.0233289885.

Adding to 55316501 its reverse (10561355), we get a palindrome (65877856).

The spelling of 55316501 in words is "fifty-five million, three hundred sixteen thousand, five hundred one".