30554053421 has 16 divisors (see below), whose sum is σ = 32722444800. Its totient is φ = 28477185408.

The previous prime is 30554053379. The next prime is 30554053441. The reversal of 30554053421 is 12435045503.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30554053421 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 (30554053441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54041 + ... + 253038.

It is an arithmetic number, because the mean of its divisors is an integer number (2045152800).

Almost surely, 2^30554053421 is an apocalyptic number.

It is an amenable number.

30554053421 is a deficient number, since it is larger than the sum of its proper divisors (2168391379).

30554053421 is a wasteful number, since it uses less digits than its factorization.

30554053421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307228.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 30554053421 its reverse (12435045503), we get a palindrome (42989098924).

The spelling of 30554053421 in words is "thirty billion, five hundred fifty-four million, fifty-three thousand, four hundred twenty-one".