5523139812 has 24 divisors (see below), whose sum is σ = 12928773312. Its totient is φ = 1835125600.

The previous prime is 5523139781. The next prime is 5523139819. The reversal of 5523139812 is 2189313255.

It is a super-4 number, since 4×5523139812⁴ (a number of 40 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (5523139819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736239 + ... + 743702.

It is an arithmetic number, because the mean of its divisors is an integer number (538698888).

Almost surely, 2^5523139812 is an apocalyptic number.

It is an amenable number.

5523139812 is an abundant number, since it is smaller than the sum of its proper divisors (7405633500).

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

5523139812 is a wasteful number, since it uses less digits than its factorization.

5523139812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480259 (or 1480257 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 5523139812 is about 74317.8297045870. The cubic root of 5523139812 is about 1767.6462070103.

The spelling of 5523139812 in words is "five billion, five hundred twenty-three million, one hundred thirty-nine thousand, eight hundred twelve".