53541557 has 8 divisors (see below), whose sum is σ = 55937280. Its totient is φ = 51187680.

The previous prime is 53541541. The next prime is 53541559. The reversal of 53541557 is 75514535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53541557 - 2⁴ = 53541541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53541559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7832 + ... + 12977.

It is an arithmetic number, because the mean of its divisors is an integer number (6992160).

Almost surely, 2^53541557 is an apocalyptic number.

It is an amenable number.

53541557 is a deficient number, since it is larger than the sum of its proper divisors (2395723).

53541557 is a wasteful number, since it uses less digits than its factorization.

53541557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20923.

The product of its digits is 52500, while the sum is 35.

The square root of 53541557 is about 7317.2096457598. The cubic root of 53541557 is about 376.9036403534.

The spelling of 53541557 in words is "fifty-three million, five hundred forty-one thousand, five hundred fifty-seven".