65057552 has 20 divisors (see below), whose sum is σ = 144056256. Its totient is φ = 27881760.

The previous prime is 65057549. The next prime is 65057557. The reversal of 65057552 is 25575056.

It is not an unprimeable number, because it can be changed into a prime (65057557) 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 3 ways as a sum of consecutive naturals, for example, 290324 + ... + 290547.

Almost surely, 2^65057552 is an apocalyptic number.

It is an amenable number.

65057552 is an abundant number, since it is smaller than the sum of its proper divisors (78998704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65057552 is a wasteful number, since it uses less digits than its factorization.

65057552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580886 (or 580880 counting only the distinct ones).

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

The square root of 65057552 is about 8065.8261821093. The cubic root of 65057552 is about 402.1912079344.

The spelling of 65057552 in words is "sixty-five million, fifty-seven thousand, five hundred fifty-two".