855253501 has 8 divisors (see below), whose sum is σ = 875545344. Its totient is φ = 835049040.

The previous prime is 855253453. The next prime is 855253523. The reversal of 855253501 is 105352558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 855253501 - 2¹⁵ = 855220733 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 (855253571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1825 + ... + 41398.

It is an arithmetic number, because the mean of its divisors is an integer number (109443168).

Almost surely, 2^855253501 is an apocalyptic number.

It is an amenable number.

855253501 is a deficient number, since it is larger than the sum of its proper divisors (20291843).

855253501 is a wasteful number, since it uses less digits than its factorization.

855253501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43691.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 855253501 is about 29244.7174888047. The cubic root of 855253501 is about 949.2157890193.

The spelling of 855253501 in words is "eight hundred fifty-five million, two hundred fifty-three thousand, five hundred one".