4757555221 has 8 divisors (see below), whose sum is σ = 4965427584. Its totient is φ = 4549768080.

The previous prime is 4757555219. The next prime is 4757555227. The reversal of 4757555221 is 1225557574.

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 4757555221 - 2¹ = 4757555219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4757555227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110095 + ... + 147091.

It is an arithmetic number, because the mean of its divisors is an integer number (620678448).

Almost surely, 2^4757555221 is an apocalyptic number.

It is an amenable number.

4757555221 is a deficient number, since it is larger than the sum of its proper divisors (207872363).

4757555221 is a wasteful number, since it uses less digits than its factorization.

4757555221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42611.

The product of its digits is 490000, while the sum is 43.

The square root of 4757555221 is about 68975.0333164109. The cubic root of 4757555221 is about 1681.8784757498.

The spelling of 4757555221 in words is "four billion, seven hundred fifty-seven million, five hundred fifty-five thousand, two hundred twenty-one".