55123103532 has 24 divisors (see below), whose sum is σ = 146994942976. Its totient is φ = 15749458128.

The previous prime is 55123103513. The next prime is 55123103543. The reversal of 55123103532 is 23530132155.

It is a self number, because there is not a number n which added to its sum of digits gives 55123103532.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328113628 + ... + 328113795.

Almost surely, 2^55123103532 is an apocalyptic number.

It is an amenable number.

55123103532 is an abundant number, since it is smaller than the sum of its proper divisors (91871839444).

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

55123103532 is a wasteful number, since it uses less digits than its factorization.

55123103532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656227437 (or 656227435 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 55123103532 its reverse (23530132155), we get a palindrome (78653235687).

The spelling of 55123103532 in words is "fifty-five billion, one hundred twenty-three million, one hundred three thousand, five hundred thirty-two".