54749894745 has 192 divisors, whose sum is σ = 114767976960. Its totient is φ = 21686870016.

The previous prime is 54749894741. The next prime is 54749894777.

54749894745 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54749894745 - 2² = 54749894741 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (54749894741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 42474061 + ... + 42475349.

It is an arithmetic number, because the mean of its divisors is an integer number (597749880).

Almost surely, 2^54749894745 is an apocalyptic number.

It is an amenable number.

54749894745 is an abundant number, since it is smaller than the sum of its proper divisors (60018082215).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54749894745 is a wasteful number, since it uses less digits than its factorization.

54749894745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1383 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 66.

The spelling of 54749894745 in words is "fifty-four billion, seven hundred forty-nine million, eight hundred ninety-four thousand, seven hundred forty-five".