51103301541553 has 8 divisors (see below), whose sum is σ = 51158087136576. Its totient is φ = 51048516963600.

The previous prime is 51103301541493. The next prime is 51103301541577. The reversal of 51103301541553 is 35514510330115.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51103301541553 is a prime.

It is a super-2 number, since 2×51103301541553² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51103301541953) 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, 144050850 + ... + 144405172.

It is an arithmetic number, because the mean of its divisors is an integer number (6394760892072).

Almost surely, 2^{51103301541553} is an apocalyptic number.

It is an amenable number.

51103301541553 is a deficient number, since it is larger than the sum of its proper divisors (54785595023).

51103301541553 is a wasteful number, since it uses less digits than its factorization.

51103301541553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508535.

The product of its (nonzero) digits is 67500, while the sum is 37.

Adding to 51103301541553 its reverse (35514510330115), we get a palindrome (86617811871668).

The spelling of 51103301541553 in words is "fifty-one trillion, one hundred three billion, three hundred one million, five hundred forty-one thousand, five hundred fifty-three".