53424251 has 6 divisors (see below), whose sum is σ = 56752020. Its totient is φ = 50281376.

The previous prime is 53424229. The next prime is 53424269. The reversal of 53424251 is 15242435.

It is a happy number.

It is not a de Polignac number, because 53424251 - 2⁶ = 53424187 is a prime.

It is a super-2 number, since 2×53424251² = 5708301189822002, which contains 22 as substring.

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 53424251.

It is not an unprimeable number, because it can be changed into a prime (53424221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92141 + ... + 92718.

It is an arithmetic number, because the mean of its divisors is an integer number (9458670).

Almost surely, 2^53424251 is an apocalyptic number.

53424251 is a deficient number, since it is larger than the sum of its proper divisors (3327769).

53424251 is a wasteful number, since it uses less digits than its factorization.

53424251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184893 (or 184876 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 53424251 is about 7309.1894899503. The cubic root of 53424251 is about 376.6281821264.

Adding to 53424251 its reverse (15242435), we get a palindrome (68666686).

The spelling of 53424251 in words is "fifty-three million, four hundred twenty-four thousand, two hundred fifty-one".