53274557 has 4 divisors (see below), whose sum is σ = 60885216. Its totient is φ = 45663900.

The previous prime is 53274541. The next prime is 53274577. The reversal of 53274557 is 75547235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53274557 - 2⁴ = 53274541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53274557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53274577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3805319 + ... + 3805332.

It is an arithmetic number, because the mean of its divisors is an integer number (15221304).

Almost surely, 2^53274557 is an apocalyptic number.

It is an amenable number.

53274557 is a deficient number, since it is larger than the sum of its proper divisors (7610659).

53274557 is an equidigital number, since it uses as much as digits as its factorization.

53274557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7610658.

The product of its digits is 147000, while the sum is 38.

The square root of 53274557 is about 7298.9421836318. The cubic root of 53274557 is about 376.2760841068.

The spelling of 53274557 in words is "fifty-three million, two hundred seventy-four thousand, five hundred fifty-seven".