542143747745550 has 48 divisors (see below), whose sum is σ = 1493907216013680. Its totient is φ = 144571666065120.

The previous prime is 542143747745533. The next prime is 542143747745557. The reversal of 542143747745550 is 55547747341245.

542143747745550 is a `hidden beast` number, since 5 + 4 + 2 + 1 + 4 + 3 + 7 + 4 + 7 + 74 + 5 + 550 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542143747745557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200793979297 + ... + 200793981996.

It is an arithmetic number, because the mean of its divisors is an integer number (31123067000285).

Almost surely, 2^{542143747745550} is an apocalyptic number.

542143747745550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542143747745550 is an abundant number, since it is smaller than the sum of its proper divisors (951763468268130).

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

542143747745550 is a wasteful number, since it uses less digits than its factorization.

542143747745550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401587961314 (or 401587961303 counting only the distinct ones).

The product of its (nonzero) digits is 329280000, while the sum is 63.

The spelling of 542143747745550 in words is "five hundred forty-two trillion, one hundred forty-three billion, seven hundred forty-seven million, seven hundred forty-five thousand, five hundred fifty".