55916486 has 4 divisors (see below), whose sum is σ = 83874732. Its totient is φ = 27958242.

The previous prime is 55916479. The next prime is 55916489. The reversal of 55916486 is 68461955.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55916489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13979120 + ... + 13979123.

It is an arithmetic number, because the mean of its divisors is an integer number (20968683).

Almost surely, 2^55916486 is an apocalyptic number.

55916486 is a deficient number, since it is larger than the sum of its proper divisors (27958246).

55916486 is a wasteful number, since it uses less digits than its factorization.

55916486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27958245.

The product of its digits is 259200, while the sum is 44.

The square root of 55916486 is about 7477.7326777573. The cubic root of 55916486 is about 382.3959555821.

The spelling of 55916486 in words is "fifty-five million, nine hundred sixteen thousand, four hundred eighty-six".