53756620 has 24 divisors (see below), whose sum is σ = 113929200. Its totient is φ = 21304512.

The previous prime is 53756609. The next prime is 53756629. The reversal of 53756620 is 2665735.

It is not an unprimeable number, because it can be changed into a prime (53756629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10150 + ... + 14509.

It is an arithmetic number, because the mean of its divisors is an integer number (4747050).

Almost surely, 2^53756620 is an apocalyptic number.

It is an amenable number.

53756620 is an abundant number, since it is smaller than the sum of its proper divisors (60172580).

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

53756620 is a wasteful number, since it uses less digits than its factorization.

53756620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24777 (or 24775 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 53756620 is about 7331.8906156598. The cubic root of 53756620 is about 377.4076086337.

The spelling of 53756620 in words is "fifty-three million, seven hundred fifty-six thousand, six hundred twenty".