38537543550 has 48 divisors (see below), whose sum is σ = 104261576832. Its totient is φ = 9342434400.

The previous prime is 38537543531. The next prime is 38537543557. The reversal of 38537543550 is 5534573583.

It is a self number, because there is not a number n which added to its sum of digits gives 38537543550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38537543557) 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, 11676394 + ... + 11679693.

It is an arithmetic number, because the mean of its divisors is an integer number (2172116184).

Almost surely, 2^38537543550 is an apocalyptic number.

38537543550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38537543550 is an abundant number, since it is smaller than the sum of its proper divisors (65724033282).

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

38537543550 is a wasteful number, since it uses less digits than its factorization.

38537543550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23356113 (or 23356108 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 48.

The spelling of 38537543550 in words is "thirty-eight billion, five hundred thirty-seven million, five hundred forty-three thousand, five hundred fifty".