65055497 has 8 divisors (see below), whose sum is σ = 72476040. Its totient is φ = 57980160.

The previous prime is 65055493. The next prime is 65055541. The reversal of 65055497 is 79455056.

It can be written as a sum of positive squares in 4 ways, for example, as 3024121 + 62031376 = 1739^2 + 7876^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65055497 - 2² = 65055493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65055493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85904 + ... + 86657.

It is an arithmetic number, because the mean of its divisors is an integer number (9059505).

Almost surely, 2^65055497 is an apocalyptic number.

It is an amenable number.

65055497 is a deficient number, since it is larger than the sum of its proper divisors (7420543).

65055497 is a wasteful number, since it uses less digits than its factorization.

65055497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172603.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 65055497 is about 8065.6987917973. The cubic root of 65055497 is about 402.1869731627.

The spelling of 65055497 in words is "sixty-five million, fifty-five thousand, four hundred ninety-seven".