65672055 has 24 divisors (see below), whose sum is σ = 114201360. Its totient is φ = 34911360.

The previous prime is 65672053. The next prime is 65672059. The reversal of 65672055 is 55027656.

It is not a de Polignac number, because 65672055 - 2¹ = 65672053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65672053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12691 + ... + 17099.

It is an arithmetic number, because the mean of its divisors is an integer number (4758390).

Almost surely, 2^65672055 is an apocalyptic number.

65672055 is a deficient number, since it is larger than the sum of its proper divisors (48529305).

65672055 is a wasteful number, since it uses less digits than its factorization.

65672055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751 (or 4748 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 65672055 is about 8103.8296502333. The cubic root of 65672055 is about 403.4535446764.

The spelling of 65672055 in words is "sixty-five million, six hundred seventy-two thousand, fifty-five".