542054399 has 16 divisors (see below), whose sum is σ = 582603840. Its totient is φ = 503328000.

The previous prime is 542054369. The next prime is 542054407. The reversal of 542054399 is 993450245.

It is a cyclic number.

It is not a de Polignac number, because 542054399 - 2²⁴ = 525277183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542054369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81209 + ... + 87629.

It is an arithmetic number, because the mean of its divisors is an integer number (36412740).

Almost surely, 2^542054399 is an apocalyptic number.

542054399 is a deficient number, since it is larger than the sum of its proper divisors (40549441).

542054399 is a wasteful number, since it uses less digits than its factorization.

542054399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 542054399 is about 23282.0617428955. The cubic root of 542054399 is about 815.3566627424.

The spelling of 542054399 in words is "five hundred forty-two million, fifty-four thousand, three hundred ninety-nine".