55554907 has 8 divisors (see below), whose sum is σ = 56294336. Its totient is φ = 54819072.

The previous prime is 55554887. The next prime is 55554911. The reversal of 55554907 is 70945555.

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 55554907 - 2²³ = 47166299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55554907.

It is not an unprimeable number, because it can be changed into a prime (55554007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44293 + ... + 45529.

It is an arithmetic number, because the mean of its divisors is an integer number (7036792).

Almost surely, 2^55554907 is an apocalyptic number.

55554907 is a deficient number, since it is larger than the sum of its proper divisors (739429).

55554907 is a wasteful number, since it uses less digits than its factorization.

55554907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797.

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 55554907 is about 7453.5164184430. The cubic root of 55554907 is about 381.5699293571.

The spelling of 55554907 in words is "fifty-five million, five hundred fifty-four thousand, nine hundred seven".