52691052 has 12 divisors (see below), whose sum is σ = 122945816. Its totient is φ = 17563680.

The previous prime is 52691003. The next prime is 52691053. The reversal of 52691052 is 25019625.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (52691053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195449 + ... + 2195472.

Almost surely, 2^52691052 is an apocalyptic number.

It is an amenable number.

52691052 is an abundant number, since it is smaller than the sum of its proper divisors (70254764).

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

52691052 is a wasteful number, since it uses less digits than its factorization.

52691052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390928 (or 4390926 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 52691052 is about 7258.8602411122. The cubic root of 52691052 is about 374.8972803101.

The spelling of 52691052 in words is "fifty-two million, six hundred ninety-one thousand, fifty-two".