51455110204 has 6 divisors (see below), whose sum is σ = 90046442864. Its totient is φ = 25727555100.

The previous prime is 51455110181. The next prime is 51455110229. The reversal of 51455110204 is 40201155415.

It is a super-2 number, since 2×51455110204² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431888772 + ... + 6431888779.

Almost surely, 2^51455110204 is an apocalyptic number.

It is an amenable number.

51455110204 is a deficient number, since it is larger than the sum of its proper divisors (38591332660).

51455110204 is a wasteful number, since it uses less digits than its factorization.

51455110204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12863777555 (or 12863777553 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 51455110204 its reverse (40201155415), we get a palindrome (91656265619).

The spelling of 51455110204 in words is "fifty-one billion, four hundred fifty-five million, one hundred ten thousand, two hundred four".