53402000 has 40 divisors (see below), whose sum is σ = 129130872. Its totient is φ = 21360000.

The previous prime is 53401987. The next prime is 53402003. The reversal of 53402000 is 20435.

53402000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10995856 + 42406144 = 3316^2 + 6512^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53402003) 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 7 ways as a sum of consecutive naturals, for example, 11351 + ... + 15350.

Almost surely, 2^53402000 is an apocalyptic number.

53402000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53402000 is an abundant number, since it is smaller than the sum of its proper divisors (75728872).

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

53402000 is a wasteful number, since it uses less digits than its factorization.

53402000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26724 (or 26708 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 53402000 is about 7307.6672064346. The cubic root of 53402000 is about 376.5758867907.

Adding to 53402000 its reverse (20435), we get a palindrome (53422435).

The spelling of 53402000 in words is "fifty-three million, four hundred two thousand".