55030530530 has 16 divisors (see below), whose sum is σ = 99070989624. Its totient is φ = 22008648960.

The previous prime is 55030530427. The next prime is 55030530539. The reversal of 55030530530 is 3503503055.

It can be written as a sum of positive squares in 4 ways, for example, as 41049596449 + 13980934081 = 202607^2 + 118241^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55030530493 and 55030530502.

It is not an unprimeable number, because it can be changed into a prime (55030530539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380087 + ... + 504506.

Almost surely, 2^55030530530 is an apocalyptic number.

55030530530 is a deficient number, since it is larger than the sum of its proper divisors (44040459094).

55030530530 is a wasteful number, since it uses less digits than its factorization.

55030530530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890821.

The product of its (nonzero) digits is 16875, while the sum is 29.

The spelling of 55030530530 in words is "fifty-five billion, thirty million, five hundred thirty thousand, five hundred thirty".