55162636403 has 4 divisors (see below), whose sum is σ = 63043013040. Its totient is φ = 47282259768.

The previous prime is 55162636379. The next prime is 55162636421. The reversal of 55162636403 is 30463626155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55162636403 - 2¹⁰ = 55162635379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55162635403) 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, 3940188308 + ... + 3940188321.

It is an arithmetic number, because the mean of its divisors is an integer number (15760753260).

Almost surely, 2^55162636403 is an apocalyptic number.

55162636403 is a deficient number, since it is larger than the sum of its proper divisors (7880376637).

55162636403 is an equidigital number, since it uses as much as digits as its factorization.

55162636403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880376636.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 55162636403 in words is "fifty-five billion, one hundred sixty-two million, six hundred thirty-six thousand, four hundred three".