542687755 has 4 divisors (see below), whose sum is σ = 651225312. Its totient is φ = 434150200.

The previous prime is 542687741. The next prime is 542687777. The reversal of 542687755 is 557786245.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 542687755 - 2⁷ = 542687627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542687699 and 542687708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54268771 + ... + 54268780.

It is an arithmetic number, because the mean of its divisors is an integer number (162806328).

Almost surely, 2^542687755 is an apocalyptic number.

542687755 is a deficient number, since it is larger than the sum of its proper divisors (108537557).

542687755 is a wasteful number, since it uses less digits than its factorization.

542687755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108537556.

The product of its digits is 2352000, while the sum is 49.

The square root of 542687755 is about 23295.6595742640. The cubic root of 542687755 is about 815.6741032274.

The spelling of 542687755 in words is "five hundred forty-two million, six hundred eighty-seven thousand, seven hundred fifty-five".