30504161550 has 48 divisors (see below), whose sum is σ = 76103379072. Its totient is φ = 8085727200.

The previous prime is 30504161543. The next prime is 30504161561. The reversal of 30504161550 is 5516140503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583816 + ... + 633915.

It is an arithmetic number, because the mean of its divisors is an integer number (1585487064).

Almost surely, 2^30504161550 is an apocalyptic number.

30504161550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30504161550 is an abundant number, since it is smaller than the sum of its proper divisors (45599217522).

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

30504161550 is a wasteful number, since it uses less digits than its factorization.

30504161550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217913 (or 1217908 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 30504161550 in words is "thirty billion, five hundred four million, one hundred sixty-one thousand, five hundred fifty".