43103027550 has 48 divisors (see below), whose sum is σ = 116613286272. Its totient is φ = 10449218400.

The previous prime is 43103027483. The next prime is 43103027603. The reversal of 43103027550 is 5572030134.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 13059874 + ... + 13063173.

It is an arithmetic number, because the mean of its divisors is an integer number (2429443464).

Almost surely, 2^43103027550 is an apocalyptic number.

43103027550 is an abundant number, since it is smaller than the sum of its proper divisors (73510258722).

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

43103027550 is a wasteful number, since it uses less digits than its factorization.

43103027550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26123073 (or 26123068 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

Adding to 43103027550 its reverse (5572030134), we get a palindrome (48675057684).

The spelling of 43103027550 in words is "forty-three billion, one hundred three million, twenty-seven thousand, five hundred fifty".