85740053 has 8 divisors (see below), whose sum is σ = 99988800. Its totient is φ = 73491180.

The previous prime is 85740049. The next prime is 85740059. The reversal of 85740053 is 35004758.

It is a happy number.

It is not a de Polignac number, because 85740053 - 2² = 85740049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85740059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124643 + ... + 125328.

It is an arithmetic number, because the mean of its divisors is an integer number (12498600).

Almost surely, 2^85740053 is an apocalyptic number.

It is an amenable number.

85740053 is a deficient number, since it is larger than the sum of its proper divisors (14248747).

85740053 is an equidigital number, since it uses as much as digits as its factorization.

85740053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249992 (or 249978 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 85740053 is about 9259.5924856335. The cubic root of 85740053 is about 440.9553158723.

The spelling of 85740053 in words is "eighty-five million, seven hundred forty thousand, fifty-three".