55916427 has 16 divisors (see below), whose sum is σ = 88911360. Its totient is φ = 30562752.

The previous prime is 55916423. The next prime is 55916429. The reversal of 55916427 is 72461955.

It is not a de Polignac number, because 55916427 - 2² = 55916423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55916423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57402 + ... + 58367.

It is an arithmetic number, because the mean of its divisors is an integer number (5556960).

Almost surely, 2^55916427 is an apocalyptic number.

55916427 is a deficient number, since it is larger than the sum of its proper divisors (32994933).

55916427 is a wasteful number, since it uses less digits than its factorization.

55916427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115802.

The product of its digits is 75600, while the sum is 39.

The square root of 55916427 is about 7477.7287327102. The cubic root of 55916427 is about 382.3958210877.

The spelling of 55916427 in words is "fifty-five million, nine hundred sixteen thousand, four hundred twenty-seven".