53500004 has 6 divisors (see below), whose sum is σ = 93625014. Its totient is φ = 26750000.

The previous prime is 53499997. The next prime is 53500033. The reversal of 53500004 is 40000535.

It can be written as a sum of positive squares in only one way, i.e., 46895104 + 6604900 = 6848^2 + 2570^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6687497 + ... + 6687504.

It is an arithmetic number, because the mean of its divisors is an integer number (15604169).

Almost surely, 2^53500004 is an apocalyptic number.

It is an amenable number.

53500004 is a deficient number, since it is larger than the sum of its proper divisors (40125010).

53500004 is a wasteful number, since it uses less digits than its factorization.

53500004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13375005 (or 13375003 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 53500004 is about 7314.3696925983. The cubic root of 53500004 is about 376.8061115604.

Adding to 53500004 its reverse (40000535), we get a palindrome (93500539).

The spelling of 53500004 in words is "fifty-three million, five hundred thousand, four".