85253555 has 24 divisors (see below), whose sum is σ = 111404160. Its totient is φ = 62581760.

The previous prime is 85253549. The next prime is 85253557. The reversal of 85253555 is 55535258.

It is not a de Polignac number, because 85253555 - 2⁶ = 85253491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85253557) 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, 58526 + ... + 59964.

It is an arithmetic number, because the mean of its divisors is an integer number (4641840).

Almost surely, 2^85253555 is an apocalyptic number.

85253555 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

85253555 is a deficient number, since it is larger than the sum of its proper divisors (26150605).

85253555 is a wasteful number, since it uses less digits than its factorization.

85253555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 1502 counting only the distinct ones).

The product of its digits is 150000, while the sum is 38.

The square root of 85253555 is about 9233.2851683461. The cubic root of 85253555 is about 440.1197246512.

The spelling of 85253555 in words is "eighty-five million, two hundred fifty-three thousand, five hundred fifty-five".