52911738 has 64 divisors (see below), whose sum is σ = 129133440. Its totient is φ = 15926400.

The previous prime is 52911721. The next prime is 52911743. The reversal of 52911738 is 83711925.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166756 + ... + 167072.

It is an arithmetic number, because the mean of its divisors is an integer number (2017710).

Almost surely, 2^52911738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52911738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64566720).

52911738 is an abundant number, since it is smaller than the sum of its proper divisors (76221702).

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

52911738 is a wasteful number, since it uses less digits than its factorization.

52911738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 614 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 52911738 is about 7274.0455043944. The cubic root of 52911738 is about 375.4199455464.

The spelling of 52911738 in words is "fifty-two million, nine hundred eleven thousand, seven hundred thirty-eight".