155547093854 has 4 divisors (see below), whose sum is σ = 233320640784. Its totient is φ = 77773546926.

The previous prime is 155547093809. The next prime is 155547093917. The reversal of 155547093854 is 458390745551.

155547093854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 458390745551 = 17 ⋅26964161503.

It is a self number, because there is not a number n which added to its sum of digits gives 155547093854.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 38886773462 + ... + 38886773465.

It is an arithmetic number, because the mean of its divisors is an integer number (58330160196).

Almost surely, 2^155547093854 is an apocalyptic number.

155547093854 is a deficient number, since it is larger than the sum of its proper divisors (77773546930).

155547093854 is an equidigital number, since it uses as much as digits as its factorization.

155547093854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77773546929.

The product of its (nonzero) digits is 15120000, while the sum is 56.

The spelling of 155547093854 in words is "one hundred fifty-five billion, five hundred forty-seven million, ninety-three thousand, eight hundred fifty-four".