52578741 has 4 divisors (see below), whose sum is σ = 70104992. Its totient is φ = 35052492.

The previous prime is 52578737. The next prime is 52578791. The reversal of 52578741 is 14787525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52578741 - 2² = 52578737 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 52578741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52578791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8763121 + ... + 8763126.

It is an arithmetic number, because the mean of its divisors is an integer number (17526248).

Almost surely, 2^52578741 is an apocalyptic number.

It is an amenable number.

52578741 is a deficient number, since it is larger than the sum of its proper divisors (17526251).

52578741 is a wasteful number, since it uses less digits than its factorization.

52578741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17526250.

The product of its digits is 78400, while the sum is 39.

The square root of 52578741 is about 7251.1199824579. The cubic root of 52578741 is about 374.6307262622.

The spelling of 52578741 in words is "fifty-two million, five hundred seventy-eight thousand, seven hundred forty-one".