55645340052 has 24 divisors (see below), whose sum is σ = 136672765600. Its totient is φ = 17572212576.

The previous prime is 55645340027. The next prime is 55645340057. The reversal of 55645340052 is 25004354655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55645340057) 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, 122029027 + ... + 122029482.

Almost surely, 2^55645340052 is an apocalyptic number.

It is an amenable number.

55645340052 is an abundant number, since it is smaller than the sum of its proper divisors (81027425548).

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

55645340052 is a wasteful number, since it uses less digits than its factorization.

55645340052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244058535 (or 244058533 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 55645340052 in words is "fifty-five billion, six hundred forty-five million, three hundred forty thousand, fifty-two".