54121453342166 has 32 divisors (see below), whose sum is σ = 95447962441728. Its totient is φ = 22536324401760.

The previous prime is 54121453342133. The next prime is 54121453342169. The reversal of 54121453342166 is 66124335412145.

It is a self number, because there is not a number n which added to its sum of digits gives 54121453342166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54121453342169) 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, 354001070 + ... + 354153921.

It is an arithmetic number, because the mean of its divisors is an integer number (2982748826304).

Almost surely, 2^{54121453342166} is an apocalyptic number.

54121453342166 is a deficient number, since it is larger than the sum of its proper divisors (41326509099562).

54121453342166 is a wasteful number, since it uses less digits than its factorization.

54121453342166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708155156.

The product of its digits is 2073600, while the sum is 47.

The spelling of 54121453342166 in words is "fifty-four trillion, one hundred twenty-one billion, four hundred fifty-three million, three hundred forty-two thousand, one hundred sixty-six".