53530388779988 has 96 divisors (see below), whose sum is σ = 100029563020800. Its totient is φ = 25017189120000.

The previous prime is 53530388779961. The next prime is 53530388779993. The reversal of 53530388779988 is 88997788303535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1231949663 + ... + 1231993113.

It is an arithmetic number, because the mean of its divisors is an integer number (1041974614800).

Almost surely, 2^{53530388779988} is an apocalyptic number.

53530388779988 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

53530388779988 is a deficient number, since it is larger than the sum of its proper divisors (46499174240812).

53530388779988 is a wasteful number, since it uses less digits than its factorization.

53530388779988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44961 (or 44959 counting only the distinct ones).

The product of its (nonzero) digits is 10973491200, while the sum is 83.

The spelling of 53530388779988 in words is "fifty-three trillion, five hundred thirty billion, three hundred eighty-eight million, seven hundred seventy-nine thousand, nine hundred eighty-eight".