542134644550 has 12 divisors (see below), whose sum is σ = 1008370438956. Its totient is φ = 216853857800.

The previous prime is 542134644539. The next prime is 542134644563. The reversal of 542134644550 is 55446431245.

It is a junction number, because it is equal to n+sod(n) for n = 542134644497 and 542134644506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5421346396 + ... + 5421346495.

It is an arithmetic number, because the mean of its divisors is an integer number (84030869913).

Almost surely, 2^542134644550 is an apocalyptic number.

542134644550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542134644550 is a deficient number, since it is larger than the sum of its proper divisors (466235794406).

542134644550 is a wasteful number, since it uses less digits than its factorization.

542134644550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10842692903 (or 10842692898 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 542134644550 in words is "five hundred forty-two billion, one hundred thirty-four million, six hundred forty-four thousand, five hundred fifty".