53503050 has 48 divisors (see below), whose sum is σ = 139678560. Its totient is φ = 13515840.

The previous prime is 53503027. The next prime is 53503067. The reversal of 53503050 is 5030535.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6537 + ... + 12236.

It is an arithmetic number, because the mean of its divisors is an integer number (2909970).

Almost surely, 2^53503050 is an apocalyptic number.

53503050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53503050 is an abundant number, since it is smaller than the sum of its proper divisors (86175510).

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

53503050 is a wasteful number, since it uses less digits than its factorization.

53503050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18807 (or 18802 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 21.

The square root of 53503050 is about 7314.5779099002. The cubic root of 53503050 is about 376.8132625233.

Adding to 53503050 its reverse (5030535), we get a palindrome (58533585).

The spelling of 53503050 in words is "fifty-three million, five hundred three thousand, fifty".