542055464650 has 48 divisors (see below), whose sum is σ = 1189424586240. Its totient is φ = 179852500800.

The previous prime is 542055464627. The next prime is 542055464659. The reversal of 542055464650 is 56464550245.

It is a self number, because there is not a number n which added to its sum of digits gives 542055464650.

It is not an unprimeable number, because it can be changed into a prime (542055464659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24968665 + ... + 24990364.

It is an arithmetic number, because the mean of its divisors is an integer number (24779678880).

Almost surely, 2^542055464650 is an apocalyptic number.

542055464650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542055464650 is an abundant number, since it is smaller than the sum of its proper divisors (647369121590).

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

542055464650 is a wasteful number, since it uses less digits than its factorization.

542055464650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49959079 (or 49959074 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 542055464650 in words is "five hundred forty-two billion, fifty-five million, four hundred sixty-four thousand, six hundred fifty".