30553221061988 has 24 divisors (see below), whose sum is σ = 56742281164800. Its totient is φ = 14345234690688.

The previous prime is 30553221061967. The next prime is 30553221062009. The reversal of 30553221061988 is 88916012235503.

It is an interprime number because it is at equal distance from previous prime (30553221061967) and next prime (30553221062009).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511715108 + ... + 511774811.

It is an arithmetic number, because the mean of its divisors is an integer number (2364261715200).

Almost surely, 2^{30553221061988} is an apocalyptic number.

It is an amenable number.

30553221061988 is a deficient number, since it is larger than the sum of its proper divisors (26189060102812).

30553221061988 is a wasteful number, since it uses less digits than its factorization.

30553221061988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023490379 (or 1023490377 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 30553221061988 in words is "thirty trillion, five hundred fifty-three billion, two hundred twenty-one million, sixty-one thousand, nine hundred eighty-eight".