55635040403 has 4 divisors (see below), whose sum is σ = 55656061200. Its totient is φ = 55614019608.

The previous prime is 55635040397. The next prime is 55635040411. The reversal of 55635040403 is 30404053655.

55635040403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30404053655 = 5 ⋅6080810731.

It is a cyclic number.

It is not a de Polignac number, because 55635040403 - 2⁴ = 55635040387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55635040453) 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, 10506428 + ... + 10511721.

It is an arithmetic number, because the mean of its divisors is an integer number (13914015300).

Almost surely, 2^55635040403 is an apocalyptic number.

55635040403 is a deficient number, since it is larger than the sum of its proper divisors (21020797).

55635040403 is a wasteful number, since it uses less digits than its factorization.

55635040403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21020796.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 55635040403 in words is "fifty-five billion, six hundred thirty-five million, forty thousand, four hundred three".