53450253 has 16 divisors (see below), whose sum is σ = 79650240. Its totient is φ = 35424432.

The previous prime is 53450251. The next prime is 53450269. The reversal of 53450253 is 35205435.

It is not a de Polignac number, because 53450253 - 2¹ = 53450251 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53450251) 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, 1051 + ... + 10392.

It is an arithmetic number, because the mean of its divisors is an integer number (4978140).

Almost surely, 2^53450253 is an apocalyptic number.

It is an amenable number.

53450253 is a deficient number, since it is larger than the sum of its proper divisors (26199987).

53450253 is a wasteful number, since it uses less digits than its factorization.

53450253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11625 (or 11619 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 53450253 is about 7310.9679933645. The cubic root of 53450253 is about 376.6892748414.

Adding to 53450253 its reverse (35205435), we get a palindrome (88655688).

The spelling of 53450253 in words is "fifty-three million, four hundred fifty thousand, two hundred fifty-three".