51104322052 has 36 divisors (see below), whose sum is σ = 104696497164. Its totient is φ = 21762336960.

The previous prime is 51104322037. The next prime is 51104322067. The reversal of 51104322052 is 25022340115.

It is an interprime number because it is at equal distance from previous prime (51104322037) and next prime (51104322067).

It can be written as a sum of positive squares in 2 ways, for example, as 30326829316 + 20777492736 = 174146^2 + 144144^2 .

It is a super-2 number, since 2×51104322052² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799599 + ... + 861142.

Almost surely, 2^51104322052 is an apocalyptic number.

It is an amenable number.

51104322052 is an abundant number, since it is smaller than the sum of its proper divisors (53592175112).

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

51104322052 is a wasteful number, since it uses less digits than its factorization.

51104322052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660916 (or 1660907 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 51104322052 its reverse (25022340115), we get a palindrome (76126662167).

The spelling of 51104322052 in words is "fifty-one billion, one hundred four million, three hundred twenty-two thousand, fifty-two".