54247463945 has 8 divisors (see below), whose sum is σ = 67341679560. Its totient is φ = 41901489280.

The previous prime is 54247463929. The next prime is 54247463951. The reversal of 54247463945 is 54936474245.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9556235536 + 44691228409 = 97756^2 + 211403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54247463945 - 2⁴ = 54247463929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187060076 + ... + 187060365.

It is an arithmetic number, because the mean of its divisors is an integer number (8417709945).

Almost surely, 2^54247463945 is an apocalyptic number.

It is an amenable number.

54247463945 is a deficient number, since it is larger than the sum of its proper divisors (13094215615).

54247463945 is a wasteful number, since it uses less digits than its factorization.

54247463945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374120475.

The product of its digits is 14515200, while the sum is 53.

The spelling of 54247463945 in words is "fifty-four billion, two hundred forty-seven million, four hundred sixty-three thousand, nine hundred forty-five".