55648415 has 16 divisors (see below), whose sum is σ = 67949280. Its totient is φ = 43745280.

The previous prime is 55648403. The next prime is 55648427. The reversal of 55648415 is 51484655.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55648403) and next prime (55648427).

It is not a de Polignac number, because 55648415 - 2¹² = 55644319 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, 86495 + ... + 87135.

It is an arithmetic number, because the mean of its divisors is an integer number (4246830).

Almost surely, 2^55648415 is an apocalyptic number.

55648415 is a deficient number, since it is larger than the sum of its proper divisors (12300865).

55648415 is a wasteful number, since it uses less digits than its factorization.

55648415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its digits is 96000, while the sum is 38.

The square root of 55648415 is about 7459.7865250957. The cubic root of 55648415 is about 381.7838909028.

The spelling of 55648415 in words is "fifty-five million, six hundred forty-eight thousand, four hundred fifteen".