55604333040 has 80 divisors (see below), whose sum is σ = 182513059488. Its totient is φ = 13955596288.

The previous prime is 55604333039. The next prime is 55604333117. The reversal of 55604333040 is 4033340655.

55604333040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 55604332992 and 55604333010.

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, 6810177 + ... + 6818336.

Almost surely, 2^55604333040 is an apocalyptic number.

It is an amenable number.

55604333040 is an abundant number, since it is smaller than the sum of its proper divisors (126908726448).

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

55604333040 is a wasteful number, since it uses less digits than its factorization.

55604333040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13628546 (or 13628540 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 55604333040 its reverse (4033340655), we get a palindrome (59637673695).

The spelling of 55604333040 in words is "fifty-five billion, six hundred four million, three hundred thirty-three thousand, forty".