542911864 has 64 divisors (see below), whose sum is σ = 1195948800. Its totient is φ = 228288000.

The previous prime is 542911861. The next prime is 542911879. The reversal of 542911864 is 468119245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542911861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85189 + ... + 91339.

It is an arithmetic number, because the mean of its divisors is an integer number (18686700).

Almost surely, 2^542911864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542911864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597974400).

542911864 is an abundant number, since it is smaller than the sum of its proper divisors (653036936).

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

542911864 is a wasteful number, since it uses less digits than its factorization.

542911864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244 (or 6240 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 542911864 is about 23300.4691798255. The cubic root of 542911864 is about 815.7863683673.

The spelling of 542911864 in words is "five hundred forty-two million, nine hundred eleven thousand, eight hundred sixty-four".