55437587713 has 8 divisors (see below), whose sum is σ = 56726011368. Its totient is φ = 54158143104.

The previous prime is 55437587567. The next prime is 55437587749. The reversal of 55437587713 is 31778573455.

It can be written as a sum of positive squares in 4 ways, for example, as 16293756609 + 39143831104 = 127647^2 + 197848^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55437587713 - 2⁹ = 55437587201 is a prime.

It is a super-3 number, since 3×55437587713³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55437581713) 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, 2232270 + ... + 2256967.

It is an arithmetic number, because the mean of its divisors is an integer number (7090751421).

Almost surely, 2^55437587713 is an apocalyptic number.

55437587713 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55437587713 is a deficient number, since it is larger than the sum of its proper divisors (1288423655).

55437587713 is a wasteful number, since it uses less digits than its factorization.

55437587713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489523.

The product of its digits is 12348000, while the sum is 55.

The spelling of 55437587713 in words is "fifty-five billion, four hundred thirty-seven million, five hundred eighty-seven thousand, seven hundred thirteen".