51554021234211 has 48 divisors (see below), whose sum is σ = 77839392643584. Its totient is φ = 32847598187712.

The previous prime is 51554021234201. The next prime is 51554021234311. The reversal of 51554021234211 is 11243212045515.

51554021234211 is a `hidden beast` number, since 5 + 1 + 5 + 5 + 402 + 1 + 2 + 34 + 211 = 666.

It is not a de Polignac number, because 51554021234211 - 2¹⁴ = 51554021217827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51554021234201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72895185 + ... + 73599021.

It is an arithmetic number, because the mean of its divisors is an integer number (1621654013408).

Almost surely, 2^{51554021234211} is an apocalyptic number.

51554021234211 is a deficient number, since it is larger than the sum of its proper divisors (26285371409373).

51554021234211 is a wasteful number, since it uses less digits than its factorization.

51554021234211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707960 (or 707957 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 51554021234211 its reverse (11243212045515), we get a palindrome (62797233279726).

The spelling of 51554021234211 in words is "fifty-one trillion, five hundred fifty-four billion, twenty-one million, two hundred thirty-four thousand, two hundred eleven".