542051783 has 24 divisors (see below), whose sum is σ = 710291808. Its totient is φ = 403633152.

The previous prime is 542051747. The next prime is 542051803. The reversal of 542051783 is 387150245.

It is a happy number.

It is not a de Polignac number, because 542051783 - 2²⁴ = 525274567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542051743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6635 + ... + 33587.

It is an arithmetic number, because the mean of its divisors is an integer number (29595492).

Almost surely, 2^542051783 is an apocalyptic number.

542051783 is a deficient number, since it is larger than the sum of its proper divisors (168240025).

542051783 is a wasteful number, since it uses less digits than its factorization.

542051783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27003 (or 26990 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 542051783 is about 23282.0055622363. The cubic root of 542051783 is about 815.3553510805.

The spelling of 542051783 in words is "five hundred forty-two million, fifty-one thousand, seven hundred eighty-three".