55616542 has 16 divisors (see below), whose sum is σ = 86321664. Its totient is φ = 26847000.

The previous prime is 55616479. The next prime is 55616549. The reversal of 55616542 is 24561655.

It is a junction number, because it is equal to n+sod(n) for n = 55616498 and 55616507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55616549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34617 + ... + 36187.

It is an arithmetic number, because the mean of its divisors is an integer number (5395104).

Almost surely, 2^55616542 is an apocalyptic number.

55616542 is a deficient number, since it is larger than the sum of its proper divisors (30705122).

55616542 is a wasteful number, since it uses less digits than its factorization.

55616542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175.

The product of its digits is 36000, while the sum is 34.

The square root of 55616542 is about 7457.6498979236. The cubic root of 55616542 is about 381.7109872276.

The spelling of 55616542 in words is "fifty-five million, six hundred sixteen thousand, five hundred forty-two".