53272557 has 12 divisors (see below), whose sum is σ = 82868604. Its totient is φ = 32783040.

The previous prime is 53272537. The next prime is 53272613. The reversal of 53272557 is 75527235.

It is a happy number.

53272557 is a `hidden beast` number, since 5 + 32 + 72 + 557 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4076361 + 49196196 = 2019^2 + 7014^2 .

It is not a de Polignac number, because 53272557 - 2⁶ = 53272493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53272537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227544 + ... + 227777.

It is an arithmetic number, because the mean of its divisors is an integer number (6905717).

Almost surely, 2^53272557 is an apocalyptic number.

It is an amenable number.

53272557 is a deficient number, since it is larger than the sum of its proper divisors (29596047).

53272557 is a wasteful number, since it uses less digits than its factorization.

53272557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455340 (or 455337 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 53272557 is about 7298.8051761915. The cubic root of 53272557 is about 376.2713754076.

The spelling of 53272557 in words is "fifty-three million, two hundred seventy-two thousand, five hundred fifty-seven".