54197657235982 has 16 divisors (see below), whose sum is σ = 92157959673360. Its totient is φ = 23697761058432.

The previous prime is 54197657235979. The next prime is 54197657235989. The reversal of 54197657235982 is 28953275679145.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54197657235989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54855927883 + ... + 54855928870.

It is an arithmetic number, because the mean of its divisors is an integer number (5759872479585).

Almost surely, 2^{54197657235982} is an apocalyptic number.

54197657235982 is a deficient number, since it is larger than the sum of its proper divisors (37960302437378).

54197657235982 is a wasteful number, since it uses less digits than its factorization.

54197657235982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109711856787.

The product of its digits is 1143072000, while the sum is 73.

The spelling of 54197657235982 in words is "fifty-four trillion, one hundred ninety-seven billion, six hundred fifty-seven million, two hundred thirty-five thousand, nine hundred eighty-two".