55500415 has 8 divisors (see below), whose sum is σ = 67729680. Its totient is φ = 43647552.

The previous prime is 55500413. The next prime is 55500433. The reversal of 55500415 is 51400555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55500415 - 2¹ = 55500413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55500415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500413) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 93774 + ... + 94363.

It is an arithmetic number, because the mean of its divisors is an integer number (8466210).

Almost surely, 2^55500415 is an apocalyptic number.

55500415 is a deficient number, since it is larger than the sum of its proper divisors (12229265).

55500415 is a wasteful number, since it uses less digits than its factorization.

55500415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188201.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55500415 is about 7449.8600657999. The cubic root of 55500415 is about 381.4451320370.

The spelling of 55500415 in words is "fifty-five million, five hundred thousand, four hundred fifteen".