53501413 has 4 divisors (see below), whose sum is σ = 61144480. Its totient is φ = 45858348.

The previous prime is 53501401. The next prime is 53501419. The reversal of 53501413 is 31410535.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 53501413 - 2¹⁷ = 53370341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53501419) 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, 3821523 + ... + 3821536.

It is an arithmetic number, because the mean of its divisors is an integer number (15286120).

Almost surely, 2^53501413 is an apocalyptic number.

It is an amenable number.

53501413 is a deficient number, since it is larger than the sum of its proper divisors (7643067).

53501413 is an equidigital number, since it uses as much as digits as its factorization.

53501413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643066.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 53501413 is about 7314.4660092176. The cubic root of 53501413 is about 376.8094194427.

Adding to 53501413 its reverse (31410535), we get a palindrome (84911948).

The spelling of 53501413 in words is "fifty-three million, five hundred one thousand, four hundred thirteen".