1538835552 has 36 divisors (see below), whose sum is σ = 4376064420. Its totient is φ = 512945088.

The previous prime is 1538835541. The next prime is 1538835619. The reversal of 1538835552 is 2555388351.

1538835552 is a `hidden beast` number, since 15 + 3 + 8 + 83 + 5 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1538835498 and 1538835507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2671302 + ... + 2671877.

It is an arithmetic number, because the mean of its divisors is an integer number (121557345).

Almost surely, 2^1538835552 is an apocalyptic number.

1538835552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1538835552 is an abundant number, since it is smaller than the sum of its proper divisors (2837228868).

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

1538835552 is a wasteful number, since it uses less digits than its factorization.

1538835552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343195 (or 5343184 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The square root of 1538835552 is about 39227.9944937286. The cubic root of 1538835552 is about 1154.5092152208.

The spelling of 1538835552 in words is "one billion, five hundred thirty-eight million, eight hundred thirty-five thousand, five hundred fifty-two".