51416547221154 has 16 divisors (see below), whose sum is σ = 102837758127840. Its totient is φ = 17138071792800.

The previous prime is 51416547221153. The next prime is 51416547221161. The reversal of 51416547221154 is 45112274561415.

It is a super-2 number, since 2×51416547221154² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51416547221153) 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, 194176899 + ... + 194441510.

It is an arithmetic number, because the mean of its divisors is an integer number (6427359882990).

Almost surely, 2^{51416547221154} is an apocalyptic number.

51416547221154 is an abundant number, since it is smaller than the sum of its proper divisors (51421210906686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51416547221154 is a wasteful number, since it uses less digits than its factorization.

51416547221154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388640465.

The product of its digits is 1344000, while the sum is 48.

The spelling of 51416547221154 in words is "fifty-one trillion, four hundred sixteen billion, five hundred forty-seven million, two hundred twenty-one thousand, one hundred fifty-four".