65274552 has 128 divisors (see below), whose sum is σ = 216345600. Its totient is φ = 17829504.

The previous prime is 65274497. The next prime is 65274569. The reversal of 65274552 is 25547256.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 33838 + ... + 35714.

It is an arithmetic number, because the mean of its divisors is an integer number (1690200).

Almost surely, 2^65274552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65274552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108172800).

65274552 is an abundant number, since it is smaller than the sum of its proper divisors (151071048).

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

65274552 is a wasteful number, since it uses less digits than its factorization.

65274552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 1912 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 65274552 is about 8079.2667984168. The cubic root of 65274552 is about 402.6378823676.

The spelling of 65274552 in words is "sixty-five million, two hundred seventy-four thousand, five hundred fifty-two".