52490436 has 12 divisors (see below), whose sum is σ = 122477712. Its totient is φ = 17496808.

The previous prime is 52490423. The next prime is 52490437. The reversal of 52490436 is 63409425.

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

It is a junction number, because it is equal to n+sod(n) for n = 52490397 and 52490406.

It is not an unprimeable number, because it can be changed into a prime (52490437) 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, 2187090 + ... + 2187113.

It is an arithmetic number, because the mean of its divisors is an integer number (10206476).

Almost surely, 2^52490436 is an apocalyptic number.

It is an amenable number.

52490436 is an abundant number, since it is smaller than the sum of its proper divisors (69987276).

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

52490436 is a wasteful number, since it uses less digits than its factorization.

52490436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374210 (or 4374208 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 52490436 is about 7245.0283643337. The cubic root of 52490436 is about 374.4208803370.

The spelling of 52490436 in words is "fifty-two million, four hundred ninety thousand, four hundred thirty-six".