55351815355 has 8 divisors (see below), whose sum is σ = 66424763952. Its totient is φ = 44279728608.

The previous prime is 55351815331. The next prime is 55351815359.

55351815355 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55351815355 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55351815359) 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, 64557 + ... + 338926.

It is an arithmetic number, because the mean of its divisors is an integer number (8303095494).

Almost surely, 2^55351815355 is an apocalyptic number.

55351815355 is a deficient number, since it is larger than the sum of its proper divisors (11072948597).

55351815355 is a wasteful number, since it uses less digits than its factorization.

55351815355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430925.

The product of its digits is 1125000, while the sum is 46.

The spelling of 55351815355 in words is "fifty-five billion, three hundred fifty-one million, eight hundred fifteen thousand, three hundred fifty-five".