55016415 has 24 divisors (see below), whose sum is σ = 98895888. Its totient is φ = 29341440.

The previous prime is 55016407. The next prime is 55016441. The reversal of 55016415 is 51461055.

It is a happy number.

It is not a de Polignac number, because 55016415 - 2³ = 55016407 is a prime.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21426 + ... + 23855.

It is an arithmetic number, because the mean of its divisors is an integer number (4120662).

Almost surely, 2^55016415 is an apocalyptic number.

55016415 is a deficient number, since it is larger than the sum of its proper divisors (43879473).

55016415 is an equidigital number, since it uses as much as digits as its factorization.

55016415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45301 (or 45289 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 55016415 is about 7417.3051036074. The cubic root of 55016415 is about 380.3330759278. Note that the first 3 decimals are identical.

The spelling of 55016415 in words is "fifty-five million, sixteen thousand, four hundred fifteen".