542951864 has 64 divisors (see below), whose sum is σ = 1257144000. Its totient is φ = 214078464.

The previous prime is 542951863. The next prime is 542951867. The reversal of 542951864 is 468159245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542951863) 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, 253004 + ... + 255140.

It is an arithmetic number, because the mean of its divisors is an integer number (19642875).

Almost surely, 2^542951864 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 542951864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628572000).

542951864 is an abundant number, since it is smaller than the sum of its proper divisors (714192136).

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

542951864 is a wasteful number, since it uses less digits than its factorization.

542951864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2508 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 542951864 is about 23301.3275158305. The cubic root of 542951864 is about 815.8064027139.

The spelling of 542951864 in words is "five hundred forty-two million, nine hundred fifty-one thousand, eight hundred sixty-four".