55455415 has 16 divisors (see below), whose sum is σ = 71322048. Its totient is φ = 41285376.

The previous prime is 55455403. The next prime is 55455427. The reversal of 55455415 is 51455455.

It is an interprime number because it is at equal distance from previous prime (55455403) and next prime (55455427).

It is a cyclic number.

It is not a de Polignac number, because 55455415 - 2¹¹ = 55453367 is a prime.

It is a Duffinian number.

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, 2262 + ... + 10771.

It is an arithmetic number, because the mean of its divisors is an integer number (4457628).

Almost surely, 2^55455415 is an apocalyptic number.

55455415 is a deficient number, since it is larger than the sum of its proper divisors (15866633).

55455415 is a wasteful number, since it uses less digits than its factorization.

55455415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13098.

The product of its digits is 50000, while the sum is 34.

The square root of 55455415 is about 7446.8392623985. The cubic root of 55455415 is about 381.3420116538.

The spelling of 55455415 in words is "fifty-five million, four hundred fifty-five thousand, four hundred fifteen".