53883921 has 32 divisors (see below), whose sum is σ = 91291648. Its totient is φ = 27501120.

The previous prime is 53883911. The next prime is 53883961. The reversal of 53883921 is 12938835.

It is not a de Polignac number, because 53883921 - 2⁷ = 53883793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 53883921.

It is not an unprimeable number, because it can be changed into a prime (53883901) 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 31 ways as a sum of consecutive naturals, for example, 5280 + ... + 11646.

It is an arithmetic number, because the mean of its divisors is an integer number (2852864).

Almost surely, 2^53883921 is an apocalyptic number.

It is an amenable number.

53883921 is a deficient number, since it is larger than the sum of its proper divisors (37407727).

53883921 is a wasteful number, since it uses less digits than its factorization.

53883921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421.

The product of its digits is 51840, while the sum is 39.

The square root of 53883921 is about 7340.5668037284. The cubic root of 53883921 is about 377.7052866450.

The spelling of 53883921 in words is "fifty-three million, eight hundred eighty-three thousand, nine hundred twenty-one".