54942248947 has 4 divisors (see below), whose sum is σ = 57833946280. Its totient is φ = 52050551616.

The previous prime is 54942248923. The next prime is 54942248951. The reversal of 54942248947 is 74984224945.

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

It is a cyclic number.

It is not a de Polignac number, because 54942248947 - 2¹⁵ = 54942216179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54942248891 and 54942248900.

It is not an unprimeable number, because it can be changed into a prime (54942248957) 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, 1445848638 + ... + 1445848675.

It is an arithmetic number, because the mean of its divisors is an integer number (14458486570).

Almost surely, 2^54942248947 is an apocalyptic number.

54942248947 is a deficient number, since it is larger than the sum of its proper divisors (2891697333).

54942248947 is a wasteful number, since it uses less digits than its factorization.

54942248947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891697332.

The product of its digits is 23224320, while the sum is 58.

The spelling of 54942248947 in words is "fifty-four billion, nine hundred forty-two million, two hundred forty-eight thousand, nine hundred forty-seven".