51620343310 has 32 divisors (see below), whose sum is σ = 93310628832. Its totient is φ = 20560675200.

The previous prime is 51620343259. The next prime is 51620343317. The reversal of 51620343310 is 1334302615.

51620343310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51620343310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51620343317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5260869 + ... + 5270671.

It is an arithmetic number, because the mean of its divisors is an integer number (2915957151).

Almost surely, 2^51620343310 is an apocalyptic number.

51620343310 is a deficient number, since it is larger than the sum of its proper divisors (41690285522).

51620343310 is a wasteful number, since it uses less digits than its factorization.

51620343310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 51620343310 its reverse (1334302615), we get a palindrome (52954645925).

The spelling of 51620343310 in words is "fifty-one billion, six hundred twenty million, three hundred forty-three thousand, three hundred ten".