542542216 has 64 divisors (see below), whose sum is σ = 1135140480. Its totient is φ = 241781760.

The previous prime is 542542213. The next prime is 542542219. The reversal of 542542216 is 612245245.

It is an interprime number because it is at equal distance from previous prime (542542213) and next prime (542542219).

It is a super-2 number, since 2×542542216² = 588704112284381312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542542213) 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, 333886 + ... + 335506.

It is an arithmetic number, because the mean of its divisors is an integer number (17736570).

Almost surely, 2^542542216 is an apocalyptic number.

It is an amenable number.

542542216 is an abundant number, since it is smaller than the sum of its proper divisors (592598264).

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

542542216 is a wasteful number, since it uses less digits than its factorization.

542542216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1770 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 542542216 is about 23292.5356283939. The cubic root of 542542216 is about 815.6011803812.

The spelling of 542542216 in words is "five hundred forty-two million, five hundred forty-two thousand, two hundred sixteen".