30551056531656 has 64 divisors (see below), whose sum is σ = 76779955200000. Its totient is φ = 10130068339776.

The previous prime is 30551056531621. The next prime is 30551056531811. The reversal of 30551056531656 is 65613565015503.

It is a junction number, because it is equal to n+sod(n) for n = 30551056531599 and 30551056531608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19094355 + ... + 20632413.

It is an arithmetic number, because the mean of its divisors is an integer number (1199686800000).

Almost surely, 2^{30551056531656} is an apocalyptic number.

It is an amenable number.

30551056531656 is an abundant number, since it is smaller than the sum of its proper divisors (46228898668344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30551056531656 is a wasteful number, since it uses less digits than its factorization.

30551056531656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542426 (or 1542422 counting only the distinct ones).

The product of its (nonzero) digits is 6075000, while the sum is 51.

The spelling of 30551056531656 in words is "thirty trillion, five hundred fifty-one billion, fifty-six million, five hundred thirty-one thousand, six hundred fifty-six".