55407417 has 16 divisors (see below), whose sum is σ = 79715328. Its totient is φ = 34030080.

The previous prime is 55407413. The next prime is 55407503. The reversal of 55407417 is 71470455.

It is not a de Polignac number, because 55407417 - 2² = 55407413 is a prime.

It is a super-2 number, since 2×55407417² = 6139963717223778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55407413) 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, 25192 + ... + 27302.

It is an arithmetic number, because the mean of its divisors is an integer number (4982208).

Almost surely, 2^55407417 is an apocalyptic number.

It is an amenable number.

55407417 is a deficient number, since it is larger than the sum of its proper divisors (24307911).

55407417 is a wasteful number, since it uses less digits than its factorization.

55407417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 55407417 is about 7443.6158552145. The cubic root of 55407417 is about 381.2319596588.

The spelling of 55407417 in words is "fifty-five million, four hundred seven thousand, four hundred seventeen".