55513696 has 24 divisors (see below), whose sum is σ = 124906320. Its totient is φ = 23791488.

The previous prime is 55513663. The next prime is 55513699. The reversal of 55513696 is 69631555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55513699) 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 3 ways as a sum of consecutive naturals, for example, 123691 + ... + 124138.

It is an arithmetic number, because the mean of its divisors is an integer number (5204430).

Almost surely, 2^55513696 is an apocalyptic number.

55513696 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55513696 is an abundant number, since it is smaller than the sum of its proper divisors (69392624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55513696 is a wasteful number, since it uses less digits than its factorization.

55513696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247846 (or 247838 counting only the distinct ones).

The product of its digits is 121500, while the sum is 40.

The square root of 55513696 is about 7450.7513715061. The cubic root of 55513696 is about 381.4755556460.

The spelling of 55513696 in words is "fifty-five million, five hundred thirteen thousand, six hundred ninety-six".