55103415 has 16 divisors (see below), whose sum is σ = 88394976. Its totient is φ = 29312000.

The previous prime is 55103381. The next prime is 55103431. The reversal of 55103415 is 51430155.

It is not a de Polignac number, because 55103415 - 2⁶ = 55103351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1435 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (5524686).

Almost surely, 2^55103415 is an apocalyptic number.

55103415 is a deficient number, since it is larger than the sum of its proper divisors (33291561).

55103415 is a wasteful number, since it uses less digits than its factorization.

55103415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9570.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55103415 is about 7423.1674506238. The cubic root of 55103415 is about 380.5334497690.

The spelling of 55103415 in words is "fifty-five million, one hundred three thousand, four hundred fifteen".