55602641540 has 24 divisors (see below), whose sum is σ = 123634109592. Its totient is φ = 20932759040.

The previous prime is 55602641537. The next prime is 55602641579. The reversal of 55602641540 is 4514620655.

55602641540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26120377924 + 29482263616 = 161618^2 + 171704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55602641494 and 55602641503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81768251 + ... + 81768930.

It is an arithmetic number, because the mean of its divisors is an integer number (5151421233).

Almost surely, 2^55602641540 is an apocalyptic number.

It is an amenable number.

55602641540 is an abundant number, since it is smaller than the sum of its proper divisors (68031468052).

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

55602641540 is a wasteful number, since it uses less digits than its factorization.

55602641540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163537207 (or 163537205 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 55602641540 in words is "fifty-five billion, six hundred two million, six hundred forty-one thousand, five hundred forty".