55248836 has 6 divisors (see below), whose sum is σ = 96685470. Its totient is φ = 27624416.

The previous prime is 55248833. The next prime is 55248841. The reversal of 55248836 is 63884255.

It can be written as a sum of positive squares in only one way, i.e., 54671236 + 577600 = 7394^2 + 760^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55248793 and 55248802.

It is not an unprimeable number, because it can be changed into a prime (55248833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906101 + ... + 6906108.

It is an arithmetic number, because the mean of its divisors is an integer number (16114245).

Almost surely, 2^55248836 is an apocalyptic number.

It is an amenable number.

55248836 is a deficient number, since it is larger than the sum of its proper divisors (41436634).

55248836 is a wasteful number, since it uses less digits than its factorization.

55248836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13812213 (or 13812211 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 55248836 is about 7432.9560741336. The cubic root of 55248836 is about 380.8679054248.

The spelling of 55248836 in words is "fifty-five million, two hundred forty-eight thousand, eight hundred thirty-six".