55403250436 has 6 divisors (see below), whose sum is σ = 96955688270. Its totient is φ = 27701625216.

The previous prime is 55403250433. The next prime is 55403250467. The reversal of 55403250436 is 63405230455.

It can be written as a sum of positive squares in only one way, i.e., 32578084036 + 22825166400 = 180494^2 + 151080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55403250395 and 55403250404.

It is not an unprimeable number, because it can be changed into a prime (55403250433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6925406301 + ... + 6925406308.

Almost surely, 2^55403250436 is an apocalyptic number.

It is an amenable number.

55403250436 is a deficient number, since it is larger than the sum of its proper divisors (41552437834).

55403250436 is a wasteful number, since it uses less digits than its factorization.

55403250436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13850812613 (or 13850812611 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 55403250436 in words is "fifty-five billion, four hundred three million, two hundred fifty thousand, four hundred thirty-six".