542052500 has 120 divisors (see below), whose sum is σ = 1350917568. Its totient is φ = 188320000.

The previous prime is 542052493. The next prime is 542052509. The reversal of 542052500 is 5250245.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542052509) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 632072 + ... + 632928.

Almost surely, 2^542052500 is an apocalyptic number.

542052500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542052500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675458784).

542052500 is an abundant number, since it is smaller than the sum of its proper divisors (808865068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542052500 is a wasteful number, since it uses less digits than its factorization.

542052500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 542052500 is about 23282.0209603892. The cubic root of 542052500 is about 815.3557105846.

The spelling of 542052500 in words is "five hundred forty-two million, fifty-two thousand, five hundred".