30555053500 has 24 divisors (see below), whose sum is σ = 66732237936. Its totient is φ = 12222021200.

The previous prime is 30555053489. The next prime is 30555053527. The reversal of 30555053500 is 535055503.

It is a super-2 number, since 2×30555053500² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 30554554 + ... + 30555553.

It is an arithmetic number, because the mean of its divisors is an integer number (2780509914).

Almost surely, 2^30555053500 is an apocalyptic number.

It is an amenable number.

30555053500 is an abundant number, since it is smaller than the sum of its proper divisors (36177184436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30555053500 is a wasteful number, since it uses less digits than its factorization.

30555053500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61110126 (or 61110114 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 31.

The spelling of 30555053500 in words is "thirty billion, five hundred fifty-five million, fifty-three thousand, five hundred".