43132112550 has 48 divisors (see below), whose sum is σ = 118852936080. Its totient is φ = 11501896320.

The previous prime is 43132112537. The next prime is 43132112567. The reversal of 43132112550 is 5521123134.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15973507 + ... + 15976206.

It is an arithmetic number, because the mean of its divisors is an integer number (2476102835).

Almost surely, 2^43132112550 is an apocalyptic number.

43132112550 is an abundant number, since it is smaller than the sum of its proper divisors (75720823530).

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

43132112550 is a wasteful number, since it uses less digits than its factorization.

43132112550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31949734 (or 31949723 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 43132112550 its reverse (5521123134), we get a palindrome (48653235684).

The spelling of 43132112550 in words is "forty-three billion, one hundred thirty-two million, one hundred twelve thousand, five hundred fifty".