555455919650 has 12 divisors (see below), whose sum is σ = 1033148010642. Its totient is φ = 222182367840.

The previous prime is 555455919647. The next prime is 555455919677. The reversal of 555455919650 is 56919554555.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 538138149241 + 17317770409 = 733579^2 + 131597^2 .

It is a super-2 number, since 2×555455919650² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 555455919650.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5554559147 + ... + 5554559246.

Almost surely, 2^555455919650 is an apocalyptic number.

555455919650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555455919650 is a deficient number, since it is larger than the sum of its proper divisors (477692090992).

555455919650 is a wasteful number, since it uses less digits than its factorization.

555455919650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109118405 (or 11109118400 counting only the distinct ones).

The product of its (nonzero) digits is 30375000, while the sum is 59.

The spelling of 555455919650 in words is "five hundred fifty-five billion, four hundred fifty-five million, nine hundred nineteen thousand, six hundred fifty".