54772203947 has 2 divisors, whose sum is σ = 54772203948. Its totient is φ = 54772203946.

The previous prime is 54772203943. The next prime is 54772203953. The reversal of 54772203947 is 74930227745.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54772203947 - 2² = 54772203943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54772203895 and 54772203904.

It is not a weakly prime, because it can be changed into another prime (54772203943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27386101973 + 27386101974.

It is an arithmetic number, because the mean of its divisors is an integer number (27386101974).

Almost surely, 2^54772203947 is an apocalyptic number.

54772203947 is a deficient number, since it is larger than the sum of its proper divisors (1).

54772203947 is an equidigital number, since it uses as much as digits as its factorization.

54772203947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 54772203947 in words is "fifty-four billion, seven hundred seventy-two million, two hundred three thousand, nine hundred forty-seven".