54213042366 has 128 divisors (see below), whose sum is σ = 145906790400. Its totient is φ = 14590437120.

The previous prime is 54213042353. The next prime is 54213042409. The reversal of 54213042366 is 66324031245.

54213042366 is a `hidden beast` number, since 5 + 42 + 130 + 423 + 66 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54213042366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 389131 + ... + 509753.

It is an arithmetic number, because the mean of its divisors is an integer number (1139896800).

Almost surely, 2^54213042366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54213042366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72953395200).

54213042366 is an abundant number, since it is smaller than the sum of its proper divisors (91693748034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54213042366 is a wasteful number, since it uses less digits than its factorization.

54213042366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120711 (or 120705 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 54213042366 in words is "fifty-four billion, two hundred thirteen million, forty-two thousand, three hundred sixty-six".