52490064 has 80 divisors (see below), whose sum is σ = 149722560. Its totient is φ = 15713280.

The previous prime is 52490051. The next prime is 52490077. The reversal of 52490064 is 46009425.

It is an interprime number because it is at equal distance from previous prime (52490051) and next prime (52490077).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46434 + ... + 47550.

It is an arithmetic number, because the mean of its divisors is an integer number (1871532).

Almost surely, 2^52490064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52490064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74861280).

52490064 is an abundant number, since it is smaller than the sum of its proper divisors (97232496).

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

52490064 is a wasteful number, since it uses less digits than its factorization.

52490064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 52490064 is about 7245.0026915109. The cubic root of 52490064 is about 374.4199958274.

Adding to 52490064 its reverse (46009425), we get a palindrome (98499489).

The spelling of 52490064 in words is "fifty-two million, four hundred ninety thousand, sixty-four".