54642564725158 has 4 divisors (see below), whose sum is σ = 81963847087740. Its totient is φ = 27321282362578.

The previous prime is 54642564725143. The next prime is 54642564725183. The reversal of 54642564725158 is 85152746524645.

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

It is a self number, because there is not a number n which added to its sum of digits gives 54642564725158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13660641181288 + ... + 13660641181291.

It is an arithmetic number, because the mean of its divisors is an integer number (20490961771935).

Almost surely, 2^{54642564725158} is an apocalyptic number.

54642564725158 is a deficient number, since it is larger than the sum of its proper divisors (27321282362582).

54642564725158 is a wasteful number, since it uses less digits than its factorization.

54642564725158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27321282362581.

The product of its digits is 322560000, while the sum is 64.

The spelling of 54642564725158 in words is "fifty-four trillion, six hundred forty-two billion, five hundred sixty-four million, seven hundred twenty-five thousand, one hundred fifty-eight".