55616230 has 16 divisors (see below), whose sum is σ = 105378480. Its totient is φ = 21075552.

The previous prime is 55616219. The next prime is 55616233. The reversal of 55616230 is 3261655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55616233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146169 + ... + 146548.

It is an arithmetic number, because the mean of its divisors is an integer number (6586155).

Almost surely, 2^55616230 is an apocalyptic number.

55616230 is a deficient number, since it is larger than the sum of its proper divisors (49762250).

55616230 is a wasteful number, since it uses less digits than its factorization.

55616230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292743.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 55616230 is about 7457.6289797763. The cubic root of 55616230 is about 381.7102734469.

Adding to 55616230 its reverse (3261655), we get a palindrome (58877885).

The spelling of 55616230 in words is "fifty-five million, six hundred sixteen thousand, two hundred thirty".