542215885 has 16 divisors (see below), whose sum is σ = 682670592. Its totient is φ = 412891200.

The previous prime is 542215879. The next prime is 542215903. The reversal of 542215885 is 588512245.

It is not a de Polignac number, because 542215885 - 2²³ = 533827277 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 19219 + ... + 38128.

It is an arithmetic number, because the mean of its divisors is an integer number (42666912).

Almost surely, 2^542215885 is an apocalyptic number.

It is an amenable number.

542215885 is a deficient number, since it is larger than the sum of its proper divisors (140454707).

542215885 is a wasteful number, since it uses less digits than its factorization.

542215885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57444.

The product of its digits is 128000, while the sum is 40.

The square root of 542215885 is about 23285.5295194247. The cubic root of 542215885 is about 815.4376236282.

It can be divided in two parts, 54221 and 5885, that added together give a palindrome (60106).

The spelling of 542215885 in words is "five hundred forty-two million, two hundred fifteen thousand, eight hundred eighty-five".