53438976 has 60 divisors (see below), whose sum is σ = 154241802. Its totient is φ = 17811456.

The previous prime is 53438971. The next prime is 53438977. The reversal of 53438976 is 67983435.

It can be written as a sum of positive squares in only one way, i.e., 36000000 + 17438976 = 6000^2 + 4176^2 .

It is not an unprimeable number, because it can be changed into a prime (53438971) 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 5 ways as a sum of consecutive naturals, for example, 1191 + ... + 10406.

Almost surely, 2^53438976 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 53438976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77120901).

53438976 is an abundant number, since it is smaller than the sum of its proper divisors (100802826).

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

53438976 is a wasteful number, since it uses less digits than its factorization.

53438976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11621 (or 11602 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 53438976 is about 7310.1967141794. The cubic root of 53438976 is about 376.6627815229.

The spelling of 53438976 in words is "fifty-three million, four hundred thirty-eight thousand, nine hundred seventy-six".