53351800 has 24 divisors (see below), whose sum is σ = 124043400. Its totient is φ = 21340640.

The previous prime is 53351747. The next prime is 53351803. The reversal of 53351800 is 815335.

It is a happy number.

53351800 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 (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53351803) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 133180 + ... + 133579.

It is an arithmetic number, because the mean of its divisors is an integer number (5168475).

Almost surely, 2^53351800 is an apocalyptic number.

53351800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53351800 is an abundant number, since it is smaller than the sum of its proper divisors (70691600).

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

53351800 is a wasteful number, since it uses less digits than its factorization.

53351800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266775 (or 266766 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 53351800 is about 7304.2316502148. The cubic root of 53351800 is about 376.4578510358.

The spelling of 53351800 in words is "fifty-three million, three hundred fifty-one thousand, eight hundred".