85240552 has 8 divisors (see below), whose sum is σ = 159826050. Its totient is φ = 42620272.

The previous prime is 85240537. The next prime is 85240559. The reversal of 85240552 is 25504258.

It can be written as a sum of positive squares in only one way, i.e., 70997476 + 14243076 = 8426^2 + 3774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (85240559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5327527 + ... + 5327542.

Almost surely, 2^85240552 is an apocalyptic number.

It is an amenable number.

85240552 is a deficient number, since it is larger than the sum of its proper divisors (74585498).

85240552 is a wasteful number, since it uses less digits than its factorization.

85240552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10655075 (or 10655071 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 85240552 is about 9232.5810042479. The cubic root of 85240552 is about 440.0973476068.

The spelling of 85240552 in words is "eighty-five million, two hundred forty thousand, five hundred fifty-two".