52150638 has 16 divisors (see below), whose sum is σ = 104415696. Its totient is φ = 17364480.

The previous prime is 52150633. The next prime is 52150639. The reversal of 52150638 is 83605125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52150633) 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, 1870 + ... + 10382.

It is an arithmetic number, because the mean of its divisors is an integer number (6525981).

Almost surely, 2^52150638 is an apocalyptic number.

52150638 is an abundant number, since it is smaller than the sum of its proper divisors (52265058).

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

52150638 is a wasteful number, since it uses less digits than its factorization.

52150638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9539.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 52150638 is about 7221.5398634917. The cubic root of 52150638 is about 373.6111900122.

The spelling of 52150638 in words is "fifty-two million, one hundred fifty thousand, six hundred thirty-eight".