65511152 has 40 divisors (see below), whose sum is σ = 145559136. Its totient is φ = 27979776.

The previous prime is 65511143. The next prime is 65511157. The reversal of 65511152 is 25111556.

It is a super-2 number, since 2×65511152² = 8583422072734208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65511157) 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 7 ways as a sum of consecutive naturals, for example, 38708 + ... + 40364.

Almost surely, 2^65511152 is an apocalyptic number.

It is an amenable number.

65511152 is an abundant number, since it is smaller than the sum of its proper divisors (80047984).

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

65511152 is a wasteful number, since it uses less digits than its factorization.

65511152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 2019 counting only the distinct ones).

The product of its digits is 1500, while the sum is 26.

The square root of 65511152 is about 8093.8959716567. The cubic root of 65511152 is about 403.1237749056.

The spelling of 65511152 in words is "sixty-five million, five hundred eleven thousand, one hundred fifty-two".