52638650 has 24 divisors (see below), whose sum is σ = 98832960. Its totient is φ = 20856560.

The previous prime is 52638643. The next prime is 52638653. The reversal of 52638650 is 5683625.

It is a self number, because there is not a number n which added to its sum of digits gives 52638650.

It is not an unprimeable number, because it can be changed into a prime (52638653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431 + ... + 10269.

It is an arithmetic number, because the mean of its divisors is an integer number (4118040).

Almost surely, 2^52638650 is an apocalyptic number.

52638650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52638650 is a deficient number, since it is larger than the sum of its proper divisors (46194310).

52638650 is a wasteful number, since it uses less digits than its factorization.

52638650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9958 (or 9953 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 52638650 is about 7255.2498234037. The cubic root of 52638650 is about 374.7729588636.

The spelling of 52638650 in words is "fifty-two million, six hundred thirty-eight thousand, six hundred fifty".