53770840 has 16 divisors (see below), whose sum is σ = 120984480. Its totient is φ = 21508320.

The previous prime is 53770837. The next prime is 53770853. The reversal of 53770840 is 4807735.

53770840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53770796 and 53770805.

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 3 ways as a sum of consecutive naturals, for example, 672096 + ... + 672175.

It is an arithmetic number, because the mean of its divisors is an integer number (7561530).

Almost surely, 2^53770840 is an apocalyptic number.

It is an amenable number.

53770840 is an abundant number, since it is smaller than the sum of its proper divisors (67213640).

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

53770840 is a wasteful number, since it uses less digits than its factorization.

53770840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344282 (or 1344278 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 53770840 is about 7332.8602877731. The cubic root of 53770840 is about 377.4408836862.

The spelling of 53770840 in words is "fifty-three million, seven hundred seventy thousand, eight hundred forty".