55434530 has 16 divisors (see below), whose sum is σ = 100812600. Its totient is φ = 21944832.

The previous prime is 55434529. The next prime is 55434551. The reversal of 55434530 is 3543455.

It can be written as a sum of positive squares in 4 ways, for example, as 26801329 + 28633201 = 5177^2 + 5351^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55434493 and 55434502.

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, 27605 + ... + 29544.

Almost surely, 2^55434530 is an apocalyptic number.

55434530 is a deficient number, since it is larger than the sum of its proper divisors (45378070).

55434530 is a wasteful number, since it uses less digits than its factorization.

55434530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57253.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 55434530 is about 7445.4368575658. The cubic root of 55434530 is about 381.2941333842.

Adding to 55434530 its reverse (3543455), we get a palindrome (58977985).

The spelling of 55434530 in words is "fifty-five million, four hundred thirty-four thousand, five hundred thirty".