85400050 has 24 divisors (see below), whose sum is σ = 159109236. Its totient is φ = 34103040.

The previous prime is 85400023. The next prime is 85400053. The reversal of 85400050 is 5000458.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 61984129 + 23415921 = 7873^2 + 4839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85399994 and 85400030.

It is not an unprimeable number, because it can be changed into a prime (85400053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41854 + ... + 43846.

Almost surely, 2^85400050 is an apocalyptic number.

85400050 is a deficient number, since it is larger than the sum of its proper divisors (73709186).

85400050 is a wasteful number, since it uses less digits than its factorization.

85400050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 85400050 is about 9241.2147469908. The cubic root of 85400050 is about 440.3716728700.

The spelling of 85400050 in words is "eighty-five million, four hundred thousand, fifty".