55315030513 has 8 divisors (see below), whose sum is σ = 58176734976. Its totient is φ = 52520660400.

The previous prime is 55315030489. The next prime is 55315030523. The reversal of 55315030513 is 31503051355.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55315030513 - 2¹⁷ = 55314899441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55315030523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16831903 + ... + 16835188.

It is an arithmetic number, because the mean of its divisors is an integer number (7272091872).

Almost surely, 2^55315030513 is an apocalyptic number.

55315030513 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55315030513 is a deficient number, since it is larger than the sum of its proper divisors (2861704463).

55315030513 is a wasteful number, since it uses less digits than its factorization.

55315030513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33667175.

The product of its (nonzero) digits is 16875, while the sum is 31.

Adding to 55315030513 its reverse (31503051355), we get a palindrome (86818081868).

The spelling of 55315030513 in words is "fifty-five billion, three hundred fifteen million, thirty thousand, five hundred thirteen".