55486963 has 24 divisors (see below), whose sum is σ = 69562800. Its totient is φ = 43964928.

The previous prime is 55486909. The next prime is 55486969. The reversal of 55486963 is 36968455.

It is not a de Polignac number, because 55486963 - 2⁹ = 55486451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55486969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48583 + ... + 49711.

It is an arithmetic number, because the mean of its divisors is an integer number (2898450).

Almost surely, 2^55486963 is an apocalyptic number.

55486963 is a deficient number, since it is larger than the sum of its proper divisors (14075837).

55486963 is a wasteful number, since it uses less digits than its factorization.

55486963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1212 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 55486963 is about 7448.9571753367. The cubic root of 55486963 is about 381.4143117598.

The spelling of 55486963 in words is "fifty-five million, four hundred eighty-six thousand, nine hundred sixty-three".