53032257 has 12 divisors (see below), whose sum is σ = 77111424. Its totient is φ = 35119800.

The previous prime is 53032193. The next prime is 53032283. The reversal of 53032257 is 75223035.

It is not a de Polignac number, because 53032257 - 2⁶ = 53032193 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 self number, because there is not a number n which added to its sum of digits gives 53032257.

It is not an unprimeable number, because it can be changed into a prime (53032297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18153 + ... + 20870.

It is an arithmetic number, because the mean of its divisors is an integer number (6425952).

Almost surely, 2^53032257 is an apocalyptic number.

It is an amenable number.

53032257 is a deficient number, since it is larger than the sum of its proper divisors (24079167).

53032257 is a wasteful number, since it uses less digits than its factorization.

53032257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39180 (or 39177 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 53032257 is about 7282.3249721500. The cubic root of 53032257 is about 375.7047653192.

The spelling of 53032257 in words is "fifty-three million, thirty-two thousand, two hundred fifty-seven".