55503053747 has 4 divisors (see below), whose sum is σ = 56412939936. Its totient is φ = 54593167560.

The previous prime is 55503053743. The next prime is 55503053761. The reversal of 55503053747 is 74735030555.

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

It is not a de Polignac number, because 55503053747 - 2² = 55503053743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55503053698 and 55503053707.

It is not an unprimeable number, because it can be changed into a prime (55503053743) 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, 454943003 + ... + 454943124.

It is an arithmetic number, because the mean of its divisors is an integer number (14103234984).

Almost surely, 2^55503053747 is an apocalyptic number.

55503053747 is a deficient number, since it is larger than the sum of its proper divisors (909886189).

55503053747 is an equidigital number, since it uses as much as digits as its factorization.

55503053747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909886188.

The product of its (nonzero) digits is 1102500, while the sum is 44.

The spelling of 55503053747 in words is "fifty-five billion, five hundred three million, fifty-three thousand, seven hundred forty-seven".