51054567203 has 4 divisors (see below), whose sum is σ = 51114421008. Its totient is φ = 50994713400.

The previous prime is 51054567199. The next prime is 51054567257. The reversal of 51054567203 is 30276545015.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30276545015 = 5 ⋅6055309003.

It is a cyclic number.

It is not a de Polignac number, because 51054567203 - 2² = 51054567199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51054467203) 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, 29925623 + ... + 29927328.

It is an arithmetic number, because the mean of its divisors is an integer number (12778605252).

Almost surely, 2^51054567203 is an apocalyptic number.

51054567203 is a deficient number, since it is larger than the sum of its proper divisors (59853805).

51054567203 is an equidigital number, since it uses as much as digits as its factorization.

51054567203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59853804.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 51054567203 in words is "fifty-one billion, fifty-four million, five hundred sixty-seven thousand, two hundred three".