55616450 has 24 divisors (see below), whose sum is σ = 103684212. Its totient is φ = 22195520.

The previous prime is 55616447. The next prime is 55616479. The reversal of 55616450 is 5461655.

It can be written as a sum of positive squares in 6 ways, for example, as 426409 + 55190041 = 653^2 + 7429^2 .

It is a super-3 number, since 3×55616450³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26852 + ... + 28848.

Almost surely, 2^55616450 is an apocalyptic number.

55616450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55616450 is a deficient number, since it is larger than the sum of its proper divisors (48067762).

55616450 is a wasteful number, since it uses less digits than its factorization.

55616450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 55616450 is about 7457.6437297581. The cubic root of 55616450 is about 381.7107767541.

The spelling of 55616450 in words is "fifty-five million, six hundred sixteen thousand, four hundred fifty".