53353650 has 192 divisors, whose sum is σ = 166060800. Its totient is φ = 11289600.

The previous prime is 53353639. The next prime is 53353687. The reversal of 53353650 is 5635335.

53353650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53353650² = 5693223936645000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 874620 + ... + 874680.

It is an arithmetic number, because the mean of its divisors is an integer number (864900).

Almost surely, 2^53353650 is an apocalyptic number.

53353650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53353650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83030400).

53353650 is an abundant number, since it is smaller than the sum of its proper divisors (112707150).

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

53353650 is a wasteful number, since it uses less digits than its factorization.

53353650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 30.

The square root of 53353650 is about 7304.3582880360. The cubic root of 53353650 is about 376.4622022728.

Adding to 53353650 its reverse (5635335), we get a palindrome (58988985).

The spelling of 53353650 in words is "fifty-three million, three hundred fifty-three thousand, six hundred fifty".