542505501 has 12 divisors (see below), whose sum is σ = 801843328. Its totient is φ = 353259144.

The previous prime is 542505473. The next prime is 542505511. The reversal of 542505501 is 105505245.

542505501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 542505501 - 2²⁷ = 408287773 is a prime.

It is a super-2 number, since 2×542505501² = 588624437230522002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542505511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 700525 + ... + 701298.

Almost surely, 2^542505501 is an apocalyptic number.

It is an amenable number.

542505501 is a deficient number, since it is larger than the sum of its proper divisors (259337827).

542505501 is a wasteful number, since it uses less digits than its factorization.

542505501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401872 (or 1401869 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 542505501 is about 23291.7474870393. The cubic root of 542505501 is about 815.5827821368.

The spelling of 542505501 in words is "five hundred forty-two million, five hundred five thousand, five hundred one".