52421154430144 has 28 divisors (see below), whose sum is σ = 104024750972688. Its totient is φ = 26210193555200.

The previous prime is 52421154429991. The next prime is 52421154430153. The reversal of 52421154430144 is 44103445112425.

It is a junction number, because it is equal to n+sod(n) for n = 52421154430097 and 52421154430106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562827 + ... + 10357834.

It is an arithmetic number, because the mean of its divisors is an integer number (3715169677596).

Almost surely, 2^{52421154430144} is an apocalyptic number.

It is an amenable number.

52421154430144 is a deficient number, since it is larger than the sum of its proper divisors (51603596542544).

52421154430144 is a wasteful number, since it uses less digits than its factorization.

52421154430144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11989384 (or 11989374 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 52421154430144 its reverse (44103445112425), we get a palindrome (96524599542569).

The spelling of 52421154430144 in words is "fifty-two trillion, four hundred twenty-one billion, one hundred fifty-four million, four hundred thirty thousand, one hundred forty-four".