52401401 has 4 divisors (see below), whose sum is σ = 56432292. Its totient is φ = 48370512.

The previous prime is 52401367. The next prime is 52401407. The reversal of 52401401 is 10410425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22316176 + 30085225 = 4724^2 + 5485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52401401 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 52401401.

It is not an unprimeable number, because it can be changed into a prime (52401407) 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, 2015426 + ... + 2015451.

It is an arithmetic number, because the mean of its divisors is an integer number (14108073).

Almost surely, 2^52401401 is an apocalyptic number.

It is an amenable number.

52401401 is a deficient number, since it is larger than the sum of its proper divisors (4030891).

52401401 is a wasteful number, since it uses less digits than its factorization.

52401401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030890.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 52401401 is about 7238.8811980858. The cubic root of 52401401 is about 374.2090612448.

Adding to 52401401 its reverse (10410425), we get a palindrome (62811826).

The spelling of 52401401 in words is "fifty-two million, four hundred one thousand, four hundred one".