536456538 has 48 divisors (see below), whose sum is σ = 1184616576. Its totient is φ = 175412160.

The previous prime is 536456533. The next prime is 536456549. The reversal of 536456538 is 835654635.

536456538 is a `hidden beast` number, since 5 + 3 + 64 + 56 + 538 = 666.

It is a super-3 number, since 3×536456538³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 536456493 and 536456502.

It is not an unprimeable number, because it can be changed into a prime (536456533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338095 + ... + 339677.

It is an arithmetic number, because the mean of its divisors is an integer number (24679512).

Almost surely, 2^536456538 is an apocalyptic number.

536456538 is an abundant number, since it is smaller than the sum of its proper divisors (648160038).

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

536456538 is a wasteful number, since it uses less digits than its factorization.

536456538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939 (or 1936 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The square root of 536456538 is about 23161.5314260521. The cubic root of 536456538 is about 812.5401828805.

The spelling of 536456538 in words is "five hundred thirty-six million, four hundred fifty-six thousand, five hundred thirty-eight".