85553006772 has 48 divisors (see below), whose sum is σ = 206390288384. Its totient is φ = 27553932000.

The previous prime is 85553006761. The next prime is 85553006779. The reversal of 85553006772 is 27760035558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85553006779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52497 + ... + 416967.

Almost surely, 2^85553006772 is an apocalyptic number.

It is an amenable number.

85553006772 is an abundant number, since it is smaller than the sum of its proper divisors (120837281612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85553006772 is a wasteful number, since it uses less digits than its factorization.

85553006772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365140 (or 365138 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 85553006772 in words is "eighty-five billion, five hundred fifty-three million, six thousand, seven hundred seventy-two".