55103454 has 48 divisors (see below), whose sum is σ = 137334912. Its totient is φ = 15641424.

The previous prime is 55103449. The next prime is 55103491. The reversal of 55103454 is 45430155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19197 + ... + 21879.

It is an arithmetic number, because the mean of its divisors is an integer number (2861144).

Almost surely, 2^55103454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55103454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68667456).

55103454 is an abundant number, since it is smaller than the sum of its proper divisors (82231458).

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

55103454 is a wasteful number, since it uses less digits than its factorization.

55103454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 55103454 is about 7423.1700775343. The cubic root of 55103454 is about 380.5335395444.

The spelling of 55103454 in words is "fifty-five million, one hundred three thousand, four hundred fifty-four".