54815103 has 16 divisors (see below), whose sum is σ = 92808960. Its totient is φ = 31322808.

The previous prime is 54815087. The next prime is 54815129. The reversal of 54815103 is 30151845.

54815103 is a `hidden beast` number, since 548 + 15 + 103 = 666.

It is not a de Polignac number, because 54815103 - 2⁴ = 54815087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54815503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144825 + ... + 145202.

It is an arithmetic number, because the mean of its divisors is an integer number (5800560).

Almost surely, 2^54815103 is an apocalyptic number.

54815103 is a deficient number, since it is larger than the sum of its proper divisors (37993857).

54815103 is a wasteful number, since it uses less digits than its factorization.

54815103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290043 (or 290037 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 54815103 is about 7403.7222395225. The cubic root of 54815103 is about 379.8686133959.

Adding to 54815103 its reverse (30151845), we get a palindrome (84966948).

It can be divided in two parts, 548 and 15103, that added together give a palindrome (15651).

The spelling of 54815103 in words is "fifty-four million, eight hundred fifteen thousand, one hundred three".