55555558363 has 8 divisors (see below), whose sum is σ = 56391710976. Its totient is φ = 54720897000.

The previous prime is 55555558343. The next prime is 55555558463. The reversal of 55555558363 is 36385555555.

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 a de Polignac number, because none of the positive numbers 2^k-55555558363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55555558313) 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, 297631 + ... + 446872.

It is an arithmetic number, because the mean of its divisors is an integer number (7048963872).

Almost surely, 2^55555558363 is an apocalyptic number.

55555558363 is a deficient number, since it is larger than the sum of its proper divisors (836152613).

55555558363 is a wasteful number, since it uses less digits than its factorization.

55555558363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745625.

The product of its digits is 33750000, while the sum is 55.

The spelling of 55555558363 in words is "fifty-five billion, five hundred fifty-five million, five hundred fifty-eight thousand, three hundred sixty-three".