55103048 has 96 divisors (see below), whose sum is σ = 141341760. Its totient is φ = 19797120.

The previous prime is 55103047. The next prime is 55103063. The reversal of 55103048 is 84030155.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (55103047) 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 23 ways as a sum of consecutive naturals, for example, 55565 + ... + 56547.

It is an arithmetic number, because the mean of its divisors is an integer number (1472310).

Almost surely, 2^55103048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55103048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70670880).

55103048 is an abundant number, since it is smaller than the sum of its proper divisors (86238712).

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

55103048 is a wasteful number, since it uses less digits than its factorization.

55103048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 55103048 is about 7423.1427306768. The cubic root of 55103048 is about 380.5326049570.

It can be divided in two parts, 5510 and 3048, that added together give a palindrome (8558).

The spelling of 55103048 in words is "fifty-five million, one hundred three thousand, forty-eight".