542521450 has 24 divisors (see below), whose sum is σ = 1010560320. Its totient is φ = 216692400.

The previous prime is 542521439. The next prime is 542521451. The reversal of 542521450 is 54125245.

It is not an unprimeable number, because it can be changed into a prime (542521451) 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, 28405 + ... + 43495.

It is an arithmetic number, because the mean of its divisors is an integer number (42106680).

Almost surely, 2^542521450 is an apocalyptic number.

542521450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542521450 is a deficient number, since it is larger than the sum of its proper divisors (468038870).

542521450 is a wasteful number, since it uses less digits than its factorization.

542521450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15822 (or 15817 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 542521450 is about 23292.0898590058. The cubic root of 542521450 is about 815.5907744381.

Adding to 542521450 its reverse (54125245), we get a palindrome (596646695).

The spelling of 542521450 in words is "five hundred forty-two million, five hundred twenty-one thousand, four hundred fifty".