55000055040 has 144 divisors (see below), whose sum is σ = 200750299008. Its totient is φ = 12571435008.

The previous prime is 55000055027. The next prime is 55000055093. The reversal of 55000055040 is 4055000055.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 55000055040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996187 + ... + 1049946.

Almost surely, 2^55000055040 is an apocalyptic number.

It is an amenable number.

55000055040 is an abundant number, since it is smaller than the sum of its proper divisors (145750243968).

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

55000055040 is a wasteful number, since it uses less digits than its factorization.

55000055040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046164 (or 2046150 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

Adding to 55000055040 its reverse (4055000055), we get a palindrome (59055055095).

The spelling of 55000055040 in words is "fifty-five billion, fifty-five thousand, forty".