55541908956 has 24 divisors (see below), whose sum is σ = 130212001024. Its totient is φ = 18426224880.

The previous prime is 55541908949. The next prime is 55541908957. The reversal of 55541908956 is 65980914555.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55541908896 and 55541908905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55541908957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10965460 + ... + 10970523.

Almost surely, 2^55541908956 is an apocalyptic number.

It is an amenable number.

55541908956 is an abundant number, since it is smaller than the sum of its proper divisors (74670092068).

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

55541908956 is a wasteful number, since it uses less digits than its factorization.

55541908956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21936201 (or 21936199 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 57.

The spelling of 55541908956 in words is "fifty-five billion, five hundred forty-one million, nine hundred eight thousand, nine hundred fifty-six".