53545251 has 16 divisors (see below), whose sum is σ = 73307808. Its totient is φ = 34752000.

The previous prime is 53545243. The next prime is 53545279. The reversal of 53545251 is 15254535.

It is a happy number.

It is not a de Polignac number, because 53545251 - 2³ = 53545243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53545201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17035 + ... + 19931.

It is an arithmetic number, because the mean of its divisors is an integer number (4581738).

Almost surely, 2^53545251 is an apocalyptic number.

53545251 is a deficient number, since it is larger than the sum of its proper divisors (19762557).

53545251 is a wasteful number, since it uses less digits than its factorization.

53545251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062.

The product of its digits is 15000, while the sum is 30.

The square root of 53545251 is about 7317.4620600315. The cubic root of 53545251 is about 376.9123080756.

Adding to 53545251 its reverse (15254535), we get a palindrome (68799786).

The spelling of 53545251 in words is "fifty-three million, five hundred forty-five thousand, two hundred fifty-one".