52291064 has 32 divisors (see below), whose sum is σ = 115085280. Its totient is φ = 21803904.

The previous prime is 52291037. The next prime is 52291067. The reversal of 52291064 is 46019225.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52291067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10547 + ... + 14690.

It is an arithmetic number, because the mean of its divisors is an integer number (3596415).

Almost surely, 2^52291064 is an apocalyptic number.

It is an amenable number.

52291064 is an abundant number, since it is smaller than the sum of its proper divisors (62794216).

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

52291064 is a wasteful number, since it uses less digits than its factorization.

52291064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25287 (or 25283 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 52291064 is about 7231.2560458056. The cubic root of 52291064 is about 373.9462303666.

The spelling of 52291064 in words is "fifty-two million, two hundred ninety-one thousand, sixty-four".