65055137 has 4 divisors (see below), whose sum is σ = 74348736. Its totient is φ = 55761540.

The previous prime is 65055119. The next prime is 65055167. The reversal of 65055137 is 73155056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65055137 - 2²⁴ = 48277921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65055167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4646789 + ... + 4646802.

It is an arithmetic number, because the mean of its divisors is an integer number (18587184).

Almost surely, 2^65055137 is an apocalyptic number.

It is an amenable number.

65055137 is a deficient number, since it is larger than the sum of its proper divisors (9293599).

65055137 is an equidigital number, since it uses as much as digits as its factorization.

65055137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9293598.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 65055137 is about 8065.6764750392. The cubic root of 65055137 is about 402.1862312957.

The spelling of 65055137 in words is "sixty-five million, fifty-five thousand, one hundred thirty-seven".