55356602642 has 16 divisors (see below), whose sum is σ = 90702591264. Its totient is φ = 25129020000.

The previous prime is 55356602621. The next prime is 55356602669. The reversal of 55356602642 is 24620665355.

It is a junction number, because it is equal to n+sod(n) for n = 55356602593 and 55356602602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636484 + ... + 1669967.

It is an arithmetic number, because the mean of its divisors is an integer number (5668911954).

Almost surely, 2^55356602642 is an apocalyptic number.

55356602642 is a deficient number, since it is larger than the sum of its proper divisors (35345988622).

55356602642 is a wasteful number, since it uses less digits than its factorization.

55356602642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307225.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 55356602642 in words is "fifty-five billion, three hundred fifty-six million, six hundred two thousand, six hundred forty-two".