55477599 has 8 divisors (see below), whose sum is σ = 74122752. Its totient is φ = 36908760.

The previous prime is 55477589. The next prime is 55477603. The reversal of 55477599 is 99577455.

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

It is not a de Polignac number, because 55477599 - 2²³ = 47088991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55477519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17359 + ... + 20304.

It is an arithmetic number, because the mean of its divisors is an integer number (9265344).

Almost surely, 2^55477599 is an apocalyptic number.

55477599 is a deficient number, since it is larger than the sum of its proper divisors (18645153).

55477599 is a wasteful number, since it uses less digits than its factorization.

55477599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38157.

The product of its digits is 1984500, while the sum is 51.

The square root of 55477599 is about 7448.3286044589. The cubic root of 55477599 is about 381.3928546802.

The spelling of 55477599 in words is "fifty-five million, four hundred seventy-seven thousand, five hundred ninety-nine".