52145064 has 48 divisors (see below), whose sum is σ = 141628500. Its totient is φ = 17332224.

The previous prime is 52145053. The next prime is 52145129. The reversal of 52145064 is 46054125.

It can be written as a sum of positive squares in 2 ways, for example, as 51408900 + 736164 = 7170^2 + 858^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31522 + ... + 33134.

Almost surely, 2^52145064 is an apocalyptic number.

It is an amenable number.

52145064 is an abundant number, since it is smaller than the sum of its proper divisors (89483436).

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

52145064 is a wasteful number, since it uses less digits than its factorization.

52145064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52145064 is about 7221.1539244085. The cubic root of 52145064 is about 373.5978786827.

Adding to 52145064 its reverse (46054125), we get a palindrome (98199189).

The spelling of 52145064 in words is "fifty-two million, one hundred forty-five thousand, sixty-four".