55172071510 has 8 divisors (see below), whose sum is σ = 99309728736. Its totient is φ = 22068828600.

The previous prime is 55172071489. The next prime is 55172071511. The reversal of 55172071510 is 1517027155.

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

It is a super-3 number, since 3×55172071510³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55172071511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2758603566 + ... + 2758603585.

It is an arithmetic number, because the mean of its divisors is an integer number (12413716092).

Almost surely, 2^55172071510 is an apocalyptic number.

55172071510 is a deficient number, since it is larger than the sum of its proper divisors (44137657226).

55172071510 is a wasteful number, since it uses less digits than its factorization.

55172071510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517207158.

The product of its (nonzero) digits is 12250, while the sum is 34.

Adding to 55172071510 its reverse (1517027155), we get a palindrome (56689098665).

The spelling of 55172071510 in words is "fifty-five billion, one hundred seventy-two million, seventy-one thousand, five hundred ten".