53557485 has 16 divisors (see below), whose sum is σ = 90202560. Its totient is φ = 27060480.

The previous prime is 53557481. The next prime is 53557529. The reversal of 53557485 is 58475535.

It is not a de Polignac number, because 53557485 - 2² = 53557481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53557481) 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, 93676 + ... + 94245.

It is an arithmetic number, because the mean of its divisors is an integer number (5637660).

Almost surely, 2^53557485 is an apocalyptic number.

It is an amenable number.

53557485 is a deficient number, since it is larger than the sum of its proper divisors (36645075).

53557485 is a wasteful number, since it uses less digits than its factorization.

53557485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187948.

The product of its digits is 420000, while the sum is 42.

The square root of 53557485 is about 7318.2979578588. The cubic root of 53557485 is about 376.9410114866.

The spelling of 53557485 in words is "fifty-three million, five hundred fifty-seven thousand, four hundred eighty-five".