42546717550 has 12 divisors (see below), whose sum is σ = 79136894736. Its totient is φ = 17018687000.

The previous prime is 42546717533. The next prime is 42546717571. The reversal of 42546717550 is 5571764524.

It is a self number, because there is not a number n which added to its sum of digits gives 42546717550.

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, 425467126 + ... + 425467225.

It is an arithmetic number, because the mean of its divisors is an integer number (6594741228).

Almost surely, 2^42546717550 is an apocalyptic number.

42546717550 is a deficient number, since it is larger than the sum of its proper divisors (36590177186).

42546717550 is a wasteful number, since it uses less digits than its factorization.

42546717550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850934363 (or 850934358 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 42546717550 in words is "forty-two billion, five hundred forty-six million, seven hundred seventeen thousand, five hundred fifty".