55500260587 has 4 divisors (see below), whose sum is σ = 58764981816. Its totient is φ = 52235539360.

The previous prime is 55500260579. The next prime is 55500260603. The reversal of 55500260587 is 78506200555.

55500260587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78506200555 = 5 ⋅15701240111.

It is a cyclic number.

It is not a de Polignac number, because 55500260587 - 2³ = 55500260579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55500260507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1632360589 + ... + 1632360622.

It is an arithmetic number, because the mean of its divisors is an integer number (14691245454).

Almost surely, 2^55500260587 is an apocalyptic number.

55500260587 is a deficient number, since it is larger than the sum of its proper divisors (3264721229).

55500260587 is a wasteful number, since it uses less digits than its factorization.

55500260587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264721228.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 55500260587 in words is "fifty-five billion, five hundred million, two hundred sixty thousand, five hundred eighty-seven".