755542 has 4 divisors (see below), whose sum is σ = 1133316. Its totient is φ = 377770.

The previous prime is 755539. The next prime is 755551. The reversal of 755542 is 245557.

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

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 755542.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 188884 + ... + 188887.

It is an arithmetic number, because the mean of its divisors is an integer number (283329).

2⁷⁵⁵⁵⁴² is an apocalyptic number.

755542 is a deficient number, since it is larger than the sum of its proper divisors (377774).

755542 is a wasteful number, since it uses less digits than its factorization.

755542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377773.

The product of its digits is 7000, while the sum is 28.

The square root of 755542 is about 869.2191898480. The cubic root of 755542 is about 91.0792691736.

The spelling of 755542 in words is "seven hundred fifty-five thousand, five hundred forty-two".