55434730 has 16 divisors (see below), whose sum is σ = 107458344. Its totient is φ = 20468160.

The previous prime is 55434719. The next prime is 55434733. The reversal of 55434730 is 3743455.

It can be written as a sum of positive squares in 4 ways, for example, as 18601969 + 36832761 = 4313^2 + 6069^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55434692 and 55434701.

It is not an unprimeable number, because it can be changed into a prime (55434733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213081 + ... + 213340.

Almost surely, 2^55434730 is an apocalyptic number.

55434730 is a deficient number, since it is larger than the sum of its proper divisors (52023614).

55434730 is a wasteful number, since it uses less digits than its factorization.

55434730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426441.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 55434730 is about 7445.4502885991. The cubic root of 55434730 is about 381.2945919355.

The spelling of 55434730 in words is "fifty-five million, four hundred thirty-four thousand, seven hundred thirty".