542646552550 has 24 divisors (see below), whose sum is σ = 1009368590472. Its totient is φ = 217048728000.

The previous prime is 542646552491. The next prime is 542646552563. The reversal of 542646552550 is 55255646245.

It is a super-4 number, since 4×542646552550⁴ (a number of 48 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542646552494 and 542646552503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914730 + ... + 1386370.

It is an arithmetic number, because the mean of its divisors is an integer number (42057024603).

Almost surely, 2^542646552550 is an apocalyptic number.

542646552550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542646552550 is a deficient number, since it is larger than the sum of its proper divisors (466722037922).

542646552550 is a wasteful number, since it uses less digits than its factorization.

542646552550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494664 (or 494659 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 49.

The spelling of 542646552550 in words is "five hundred forty-two billion, six hundred forty-six million, five hundred fifty-two thousand, five hundred fifty".