10520554552 has 8 divisors (see below), whose sum is σ = 19726039800. Its totient is φ = 5260277272.

The previous prime is 10520554511. The next prime is 10520554559. The reversal of 10520554552 is 25545502501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10520554552² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520554559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657534652 + ... + 657534667.

It is an arithmetic number, because the mean of its divisors is an integer number (2465754975).

Almost surely, 2^10520554552 is an apocalyptic number.

It is an amenable number.

10520554552 is a deficient number, since it is larger than the sum of its proper divisors (9205485248).

10520554552 is a wasteful number, since it uses less digits than its factorization.

10520554552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315069325 (or 1315069321 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 10520554552 in words is "ten billion, five hundred twenty million, five hundred fifty-four thousand, five hundred fifty-two".