53661000030 has 64 divisors (see below), whose sum is σ = 141885374976. Its totient is φ = 12879920000.

The previous prime is 53660999999. The next prime is 53661000037. The reversal of 53661000030 is 3000016635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53661000037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 771666 + ... + 838325.

It is an arithmetic number, because the mean of its divisors is an integer number (2216958984).

Almost surely, 2^53661000030 is an apocalyptic number.

53661000030 is an abundant number, since it is smaller than the sum of its proper divisors (88224374946).

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

53661000030 is a wasteful number, since it uses less digits than its factorization.

53661000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610113.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 53661000030 its reverse (3000016635), we get a palindrome (56661016665).

The spelling of 53661000030 in words is "fifty-three billion, six hundred sixty-one million, thirty", and thus it is an aban number.