54247463947 has 32 divisors (see below), whose sum is σ = 62246333952. Its totient is φ = 46987928064.

The previous prime is 54247463929. The next prime is 54247463951. The reversal of 54247463947 is 74936474245.

It is a cyclic number.

It is not a de Polignac number, because 54247463947 - 2²³ = 54239075339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54247463927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1102393 + ... + 1150549.

It is an arithmetic number, because the mean of its divisors is an integer number (1945197936).

Almost surely, 2^54247463947 is an apocalyptic number.

54247463947 is a deficient number, since it is larger than the sum of its proper divisors (7998870005).

54247463947 is a wasteful number, since it uses less digits than its factorization.

54247463947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48307.

The product of its digits is 20321280, while the sum is 55.

The spelling of 54247463947 in words is "fifty-four billion, two hundred forty-seven million, four hundred sixty-three thousand, nine hundred forty-seven".