55687531541 has 4 divisors (see below), whose sum is σ = 55688304672. Its totient is φ = 55686758412.

The previous prime is 55687531531. The next prime is 55687531607. The reversal of 55687531541 is 14513578655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55687531541 - 2¹⁸ = 55687269397 is a prime.

It is a super-2 number, since 2×55687531541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55687531541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55687531531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265985 + ... + 426758.

It is an arithmetic number, because the mean of its divisors is an integer number (13922076168).

Almost surely, 2^55687531541 is an apocalyptic number.

It is an amenable number.

55687531541 is a deficient number, since it is larger than the sum of its proper divisors (773131).

55687531541 is an equidigital number, since it uses as much as digits as its factorization.

55687531541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773130.

The product of its digits is 2520000, while the sum is 50.

The spelling of 55687531541 in words is "fifty-five billion, six hundred eighty-seven million, five hundred thirty-one thousand, five hundred forty-one".