65752552 has 16 divisors (see below), whose sum is σ = 126618660. Its totient is φ = 31987584.

The previous prime is 65752543. The next prime is 65752567. The reversal of 65752552 is 25525756.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62315236 + 3437316 = 7894^2 + 1854^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110773 + ... + 111364.

Almost surely, 2^65752552 is an apocalyptic number.

It is an amenable number.

65752552 is a deficient number, since it is larger than the sum of its proper divisors (60866108).

65752552 is a wasteful number, since it uses less digits than its factorization.

65752552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222180 (or 222176 counting only the distinct ones).

The product of its digits is 105000, while the sum is 37.

The square root of 65752552 is about 8108.7947316479. The cubic root of 65752552 is about 403.6183206968.

The spelling of 65752552 in words is "sixty-five million, seven hundred fifty-two thousand, five hundred fifty-two".