53046840 has 128 divisors (see below), whose sum is σ = 198443520. Its totient is φ = 11020800.

The previous prime is 53046827. The next prime is 53046853. The reversal of 53046840 is 4864035.

53046840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53046827) and next prime (53046853).

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

It is a junction number, because it is equal to n+sod(n) for n = 53046798 and 53046807.

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 31 ways as a sum of consecutive naturals, for example, 6370 + ... + 12110.

It is an arithmetic number, because the mean of its divisors is an integer number (1550340).

Almost surely, 2^53046840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53046840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99221760).

53046840 is an abundant number, since it is smaller than the sum of its proper divisors (145396680).

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

53046840 is a wasteful number, since it uses less digits than its factorization.

53046840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773 (or 5769 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 53046840 is about 7283.3261632306. The cubic root of 53046840 is about 375.7391997105.

The spelling of 53046840 in words is "fifty-three million, forty-six thousand, eight hundred forty".