54680743897 has 16 divisors (see below), whose sum is σ = 62066949840. Its totient is φ = 47814504192.

The previous prime is 54680743867. The next prime is 54680743907. The reversal of 54680743897 is 79834708645.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1623767616 + 53056976281 = 40296^2 + 230341^2 .

It is not a de Polignac number, because 54680743897 - 2⁷ = 54680743769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54680743837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348338 + ... + 1388299.

It is an arithmetic number, because the mean of its divisors is an integer number (3879184365).

Almost surely, 2^54680743897 is an apocalyptic number.

It is an amenable number.

54680743897 is a deficient number, since it is larger than the sum of its proper divisors (7386205943).

54680743897 is a wasteful number, since it uses less digits than its factorization.

54680743897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736732.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 54680743897 in words is "fifty-four billion, six hundred eighty million, seven hundred forty-three thousand, eight hundred ninety-seven".