538681552 has 10 divisors (see below), whose sum is σ = 1043695538. Its totient is φ = 269340768.

The previous prime is 538681531. The next prime is 538681553. The reversal of 538681552 is 255186835.

It can be written as a sum of positive squares in only one way, i.e., 410629696 + 128051856 = 20264^2 + 11316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 538681499 and 538681508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538681553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16833783 + ... + 16833814.

Almost surely, 2^538681552 is an apocalyptic number.

It is an amenable number.

538681552 is a deficient number, since it is larger than the sum of its proper divisors (505013986).

538681552 is a wasteful number, since it uses less digits than its factorization.

538681552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33667605 (or 33667599 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The square root of 538681552 is about 23209.5142560115. The cubic root of 538681552 is about 813.6620007043.

The spelling of 538681552 in words is "five hundred thirty-eight million, six hundred eighty-one thousand, five hundred fifty-two".