52540401 has 8 divisors (see below), whose sum is σ = 70132384. Its totient is φ = 34987680.

The previous prime is 52540399. The next prime is 52540417. The reversal of 52540401 is 10404525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52540401 - 2¹ = 52540399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52540001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6535 + ... + 12156.

It is an arithmetic number, because the mean of its divisors is an integer number (8766548).

Almost surely, 2^52540401 is an apocalyptic number.

It is an amenable number.

52540401 is a deficient number, since it is larger than the sum of its proper divisors (17591983).

52540401 is a wasteful number, since it uses less digits than its factorization.

52540401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19631.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52540401 is about 7248.4757708086. The cubic root of 52540401 is about 374.5396448708.

Adding to 52540401 its reverse (10404525), we get a palindrome (62944926).

The spelling of 52540401 in words is "fifty-two million, five hundred forty thousand, four hundred one".