55210325687 has 8 divisors (see below), whose sum is σ = 60231807360. Its totient is φ = 50189237560.

The previous prime is 55210325683. The next prime is 55210325711. The reversal of 55210325687 is 78652301255.

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

It is not a de Polignac number, because 55210325687 - 2² = 55210325683 is a prime.

It is a super-2 number, since 2×55210325687² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55210325683) 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, 247988 + ... + 414630.

It is an arithmetic number, because the mean of its divisors is an integer number (7528975920).

Almost surely, 2^55210325687 is an apocalyptic number.

55210325687 is a deficient number, since it is larger than the sum of its proper divisors (5021481673).

55210325687 is a wasteful number, since it uses less digits than its factorization.

55210325687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196773.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 55210325687 in words is "fifty-five billion, two hundred ten million, three hundred twenty-five thousand, six hundred eighty-seven".