555406266056 has 32 divisors (see below), whose sum is σ = 1079093769600. Its totient is φ = 267811427520.

The previous prime is 555406266049. The next prime is 555406266067. The reversal of 555406266056 is 650662604555.

It is a super-2 number, since 2×555406266056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 555406265995 and 555406266013.

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, 10191515 + ... + 10245866.

It is an arithmetic number, because the mean of its divisors is an integer number (33721680300).

Almost surely, 2^555406266056 is an apocalyptic number.

It is an amenable number.

555406266056 is a deficient number, since it is larger than the sum of its proper divisors (523687503544).

555406266056 is a wasteful number, since it uses less digits than its factorization.

555406266056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20437509 (or 20437505 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 555406266056 in words is "five hundred fifty-five billion, four hundred six million, two hundred sixty-six thousand, fifty-six".