55435417156 has 48 divisors (see below), whose sum is σ = 113314566400. Its totient is φ = 23720014080.

The previous prime is 55435417117. The next prime is 55435417157. The reversal of 55435417156 is 65171453455.

It is not an unprimeable number, because it can be changed into a prime (55435417157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833716 + ... + 897748.

Almost surely, 2^55435417156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55435417156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56657283200).

55435417156 is an abundant number, since it is smaller than the sum of its proper divisors (57879149244).

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

55435417156 is a wasteful number, since it uses less digits than its factorization.

55435417156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64689 (or 64673 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 46.

The spelling of 55435417156 in words is "fifty-five billion, four hundred thirty-five million, four hundred seventeen thousand, one hundred fifty-six".