55537873555 has 8 divisors (see below), whose sum is σ = 66652833744. Its totient is φ = 44425375200.

The previous prime is 55537873499. The next prime is 55537873561.

55537873555 is nontrivially palindromic in base 10.

55537873555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55537873555 - 2¹⁹ = 55537349267 is a prime.

It is a super-2 number, since 2×55537873555² (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 55537873555.

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, 565456 + ... + 656365.

It is an arithmetic number, because the mean of its divisors is an integer number (8331604218).

Almost surely, 2^55537873555 is an apocalyptic number.

55537873555 is a deficient number, since it is larger than the sum of its proper divisors (11114960189).

55537873555 is a wasteful number, since it uses less digits than its factorization.

55537873555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230917.

The product of its digits is 55125000, while the sum is 58.

The spelling of 55537873555 in words is "fifty-five billion, five hundred thirty-seven million, eight hundred seventy-three thousand, five hundred fifty-five".