542551502 has 4 divisors (see below), whose sum is σ = 813827256. Its totient is φ = 271275750.

The previous prime is 542551501. The next prime is 542551547. The reversal of 542551502 is 205155245.

542551502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205155245 = 5 ⋅41031049.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542551501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135637874 + ... + 135637877.

It is an arithmetic number, because the mean of its divisors is an integer number (203456814).

Almost surely, 2^542551502 is an apocalyptic number.

542551502 is a deficient number, since it is larger than the sum of its proper divisors (271275754).

542551502 is a wasteful number, since it uses less digits than its factorization.

542551502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271275753.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 542551502 is about 23292.7349617858. The cubic root of 542551502 is about 815.6058335548.

The spelling of 542551502 in words is "five hundred forty-two million, five hundred fifty-one thousand, five hundred two".