55575280030 has 8 divisors (see below), whose sum is σ = 100035504072. Its totient is φ = 22230112008.

The previous prime is 55575280001. The next prime is 55575280037. The reversal of 55575280030 is 3008257555.

It is a happy number.

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

It is a super-2 number, since 2×55575280030² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55575280037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778763992 + ... + 2778764011.

It is an arithmetic number, because the mean of its divisors is an integer number (12504438009).

Almost surely, 2^55575280030 is an apocalyptic number.

55575280030 is a deficient number, since it is larger than the sum of its proper divisors (44460224042).

55575280030 is a wasteful number, since it uses less digits than its factorization.

55575280030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557528010.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 55575280030 in words is "fifty-five billion, five hundred seventy-five million, two hundred eighty thousand, thirty".