53440151 has 4 divisors (see below), whose sum is σ = 53468400. Its totient is φ = 53411904.

The previous prime is 53440133. The next prime is 53440169. The reversal of 53440151 is 15104435.

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

It is an interprime number because it is at equal distance from previous prime (53440133) and next prime (53440169).

It is a cyclic number.

It is not a de Polignac number, because 53440151 - 2¹⁸ = 53178007 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 (53440111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11066 + ... + 15143.

It is an arithmetic number, because the mean of its divisors is an integer number (13367100).

Almost surely, 2^53440151 is an apocalyptic number.

53440151 is a deficient number, since it is larger than the sum of its proper divisors (28249).

53440151 is a wasteful number, since it uses less digits than its factorization.

53440151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28248.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 53440151 is about 7310.2770809320. The cubic root of 53440151 is about 376.6655421517.

Adding to 53440151 its reverse (15104435), we get a palindrome (68544586).

The spelling of 53440151 in words is "fifty-three million, four hundred forty thousand, one hundred fifty-one".