52378741 has 6 divisors (see below), whose sum is σ = 53111490. Its totient is φ = 51655968.

The previous prime is 52378723. The next prime is 52378769. The reversal of 52378741 is 14787325.

It can be written as a sum of positive squares in 3 ways, for example, as 21808900 + 30569841 = 4670^2 + 5529^2 .

It is not a de Polignac number, because 52378741 - 2¹¹ = 52376693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52378741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52378721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 415 + ... + 10243.

It is an arithmetic number, because the mean of its divisors is an integer number (8851915).

Almost surely, 2^52378741 is an apocalyptic number.

It is an amenable number.

52378741 is a deficient number, since it is larger than the sum of its proper divisors (732749).

52378741 is an frugal number, since it uses more digits than its factorization.

52378741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9975 (or 9902 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 52378741 is about 7237.3158698512. The cubic root of 52378741 is about 374.1551135785.

The spelling of 52378741 in words is "fifty-two million, three hundred seventy-eight thousand, seven hundred forty-one".