55214250721030 has 32 divisors (see below), whose sum is σ = 100104034814784. Its totient is φ = 21926632726656.

The previous prime is 55214250721001. The next prime is 55214250721099. The reversal of 55214250721030 is 3012705241255.

It is a super-2 number, since 2×55214250721030² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35055369 + ... + 36596548.

It is an arithmetic number, because the mean of its divisors is an integer number (3128251087962).

Almost surely, 2^{55214250721030} is an apocalyptic number.

55214250721030 is a deficient number, since it is larger than the sum of its proper divisors (44889784093754).

55214250721030 is a wasteful number, since it uses less digits than its factorization.

55214250721030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71652480.

The product of its (nonzero) digits is 84000, while the sum is 37.

Adding to 55214250721030 its reverse (3012705241255), we get a palindrome (58226955962285).

The spelling of 55214250721030 in words is "fifty-five trillion, two hundred fourteen billion, two hundred fifty million, seven hundred twenty-one thousand, thirty".