52640350 has 24 divisors (see below), whose sum is σ = 111899088. Its totient is φ = 18048000.

The previous prime is 52640327. The next prime is 52640363. The reversal of 52640350 is 5304625.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74851 + ... + 75550.

It is an arithmetic number, because the mean of its divisors is an integer number (4662462).

Almost surely, 2^52640350 is an apocalyptic number.

52640350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52640350 is an abundant number, since it is smaller than the sum of its proper divisors (59258738).

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

52640350 is a wasteful number, since it uses less digits than its factorization.

52640350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150420 (or 150415 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 52640350 is about 7255.3669790025. The cubic root of 52640350 is about 374.7769933336.

Adding to 52640350 its reverse (5304625), we get a palindrome (57944975).

The spelling of 52640350 in words is "fifty-two million, six hundred forty thousand, three hundred fifty".