55513244 has 6 divisors (see below), whose sum is σ = 97148184. Its totient is φ = 27756620.

The previous prime is 55513229. The next prime is 55513253. The reversal of 55513244 is 44231555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6939152 + ... + 6939159.

It is an arithmetic number, because the mean of its divisors is an integer number (16191364).

Almost surely, 2^55513244 is an apocalyptic number.

It is an amenable number.

55513244 is a deficient number, since it is larger than the sum of its proper divisors (41634940).

55513244 is a wasteful number, since it uses less digits than its factorization.

55513244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13878315 (or 13878313 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 55513244 is about 7450.7210389331. The cubic root of 55513244 is about 381.4745203014.

Adding to 55513244 its reverse (44231555), we get a palindrome (99744799).

The spelling of 55513244 in words is "fifty-five million, five hundred thirteen thousand, two hundred forty-four".