55413530 has 8 divisors (see below), whose sum is σ = 99744372. Its totient is φ = 22165408.

The previous prime is 55413511. The next prime is 55413563. The reversal of 55413530 is 3531455.

55413530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48762289 + 6651241 = 6983^2 + 2579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55413530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770667 + ... + 2770686.

Almost surely, 2^55413530 is an apocalyptic number.

55413530 is a deficient number, since it is larger than the sum of its proper divisors (44330842).

55413530 is a wasteful number, since it uses less digits than its factorization.

55413530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541360.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 55413530 is about 7444.0264642195. The cubic root of 55413530 is about 381.2459793538.

Adding to 55413530 its reverse (3531455), we get a palindrome (58944985).

The spelling of 55413530 in words is "fifty-five million, four hundred thirteen thousand, five hundred thirty".