54902409947 has 16 divisors (see below), whose sum is σ = 68454984192. Its totient is φ = 42777832320.

The previous prime is 54902409883. The next prime is 54902409967. The reversal of 54902409947 is 74990420945.

It is a cyclic number.

It is not a de Polignac number, because 54902409947 - 2⁶ = 54902409883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54902409967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1672898 + ... + 1705400.

It is an arithmetic number, because the mean of its divisors is an integer number (4278436512).

Almost surely, 2^54902409947 is an apocalyptic number.

54902409947 is a deficient number, since it is larger than the sum of its proper divisors (13552574245).

54902409947 is a wasteful number, since it uses less digits than its factorization.

54902409947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54458.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 54902409947 in words is "fifty-four billion, nine hundred two million, four hundred nine thousand, nine hundred forty-seven".