542385557 has 8 divisors (see below), whose sum is σ = 632520000. Its totient is φ = 464901612.

The previous prime is 542385551. The next prime is 542385577. The reversal of 542385557 is 755583245.

It is not a de Polignac number, because 542385557 - 2⁴ = 542385541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542385551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790307 + ... + 790992.

It is an arithmetic number, because the mean of its divisors is an integer number (79065000).

Almost surely, 2^542385557 is an apocalyptic number.

It is an amenable number.

542385557 is a deficient number, since it is larger than the sum of its proper divisors (90134443).

542385557 is an equidigital number, since it uses as much as digits as its factorization.

542385557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581320 (or 1581306 counting only the distinct ones).

The product of its digits is 840000, while the sum is 44.

The square root of 542385557 is about 23289.1725271638. The cubic root of 542385557 is about 815.5226712431.

It can be divided in two parts, 54238 and 5557, that added together give a palindrome (59795).

The spelling of 542385557 in words is "five hundred forty-two million, three hundred eighty-five thousand, five hundred fifty-seven".