85540024 has 32 divisors (see below), whose sum is σ = 166597200. Its totient is φ = 41126400.

The previous prime is 85540009. The next prime is 85540027. The reversal of 85540024 is 42004558.

It is a junction number, because it is equal to n+sod(n) for n = 85539974 and 85540001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85540027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70624 + ... + 71824.

Almost surely, 2^85540024 is an apocalyptic number.

It is an amenable number.

85540024 is a deficient number, since it is larger than the sum of its proper divisors (81057176).

85540024 is a wasteful number, since it uses less digits than its factorization.

85540024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 85540024 is about 9248.7850012853. The cubic root of 85540024 is about 440.6121369684.

The spelling of 85540024 in words is "eighty-five million, five hundred forty thousand, twenty-four".