55023662436 has 24 divisors (see below), whose sum is σ = 129935397984. Its totient is φ = 18120241920.

The previous prime is 55023662423. The next prime is 55023662461. The reversal of 55023662436 is 63426632055.

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, 27621325 + ... + 27623316.

It is an arithmetic number, because the mean of its divisors is an integer number (5413974916).

Almost surely, 2^55023662436 is an apocalyptic number.

It is an amenable number.

55023662436 is an abundant number, since it is smaller than the sum of its proper divisors (74911735548).

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

55023662436 is a wasteful number, since it uses less digits than its factorization.

55023662436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55244731 (or 55244729 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 55023662436 in words is "fifty-five billion, twenty-three million, six hundred sixty-two thousand, four hundred thirty-six".