55421334422504 has 16 divisors (see below), whose sum is σ = 104886170287200. Its totient is φ = 27451689012592.

The previous prime is 55421334422471. The next prime is 55421334422537. The reversal of 55421334422504 is 40522443312455.

It is an interprime number because it is at equal distance from previous prime (55421334422471) and next prime (55421334422537).

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, 32372273924 + ... + 32372275635.

It is an arithmetic number, because the mean of its divisors is an integer number (6555385642950).

Almost surely, 2^{55421334422504} is an apocalyptic number.

It is an amenable number.

55421334422504 is a deficient number, since it is larger than the sum of its proper divisors (49464835864696).

55421334422504 is a wasteful number, since it uses less digits than its factorization.

55421334422504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64744549672 (or 64744549668 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

Adding to 55421334422504 its reverse (40522443312455), we get a palindrome (95943777734959).

The spelling of 55421334422504 in words is "fifty-five trillion, four hundred twenty-one billion, three hundred thirty-four million, four hundred twenty-two thousand, five hundred four".