85405502 has 24 divisors (see below), whose sum is σ = 158542416. Its totient is φ = 33785856.

The previous prime is 85405487. The next prime is 85405517. The reversal of 85405502 is 20550458.

It is an interprime number because it is at equal distance from previous prime (85405487) and next prime (85405517).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15683 + ... + 20414.

It is an arithmetic number, because the mean of its divisors is an integer number (6605934).

Almost surely, 2^85405502 is an apocalyptic number.

85405502 is a deficient number, since it is larger than the sum of its proper divisors (73136914).

85405502 is a wasteful number, since it uses less digits than its factorization.

85405502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36132 (or 36119 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 85405502 is about 9241.5097251477. The cubic root of 85405502 is about 440.3810438843.

The spelling of 85405502 in words is "eighty-five million, four hundred five thousand, five hundred two".