53421151 has 8 divisors (see below), whose sum is σ = 61105824. Its totient is φ = 45749760.

The previous prime is 53421139. The next prime is 53421163. The reversal of 53421151 is 15112435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53421139) and next prime (53421163).

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

It is not a de Polignac number, because 53421151 - 2²³ = 45032543 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 (53422151) 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, 7791 + ... + 12943.

It is an arithmetic number, because the mean of its divisors is an integer number (7638228).

Almost surely, 2^53421151 is an apocalyptic number.

53421151 is a deficient number, since it is larger than the sum of its proper divisors (7684673).

53421151 is a wasteful number, since it uses less digits than its factorization.

53421151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641.

The product of its digits is 600, while the sum is 22.

The square root of 53421151 is about 7308.9774250575. The cubic root of 53421151 is about 376.6208972328.

Adding to 53421151 its reverse (15112435), we get a palindrome (68533586).

The spelling of 53421151 in words is "fifty-three million, four hundred twenty-one thousand, one hundred fifty-one".