55503030530 has 16 divisors (see below), whose sum is σ = 99942656760. Its totient is φ = 22192945152.

The previous prime is 55503030511. The next prime is 55503030577. The reversal of 55503030530 is 3503030555.

It can be written as a sum of positive squares in 4 ways, for example, as 20559831769 + 34943198761 = 143387^2 + 186931^2 .

It is a super-2 number, since 2×55503030530² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55503030493 and 55503030502.

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, 1005149 + ... + 1058928.

Almost surely, 2^55503030530 is an apocalyptic number.

55503030530 is a deficient number, since it is larger than the sum of its proper divisors (44439626230).

55503030530 is a wasteful number, since it uses less digits than its factorization.

55503030530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066773.

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

The spelling of 55503030530 in words is "fifty-five billion, five hundred three million, thirty thousand, five hundred thirty".