53045850 has 96 divisors (see below), whose sum is σ = 154615104. Its totient is φ = 11865600.

The previous prime is 53045849. The next prime is 53045873. The reversal of 53045850 is 5854035.

53045850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon 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 47 ways as a sum of consecutive naturals, for example, 20214 + ... + 22686.

It is an arithmetic number, because the mean of its divisors is an integer number (1610574).

Almost surely, 2^53045850 is an apocalyptic number.

53045850 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 53045850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77307552).

53045850 is an abundant number, since it is smaller than the sum of its proper divisors (101569254).

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

53045850 is a wasteful number, since it uses less digits than its factorization.

53045850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 53045850 is about 7283.2581994599. The cubic root of 53045850 is about 375.7368622535.

Adding to 53045850 its reverse (5854035), we get a palindrome (58899885).

The spelling of 53045850 in words is "fifty-three million, forty-five thousand, eight hundred fifty".