65953442 has 4 divisors (see below), whose sum is σ = 98930166. Its totient is φ = 32976720.

The previous prime is 65953441. The next prime is 65953469. The reversal of 65953442 is 24435956.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57138481 + 8814961 = 7559^2 + 2969^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65953396 and 65953405.

It is not an unprimeable number, because it can be changed into a prime (65953441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16488359 + ... + 16488362.

Almost surely, 2^65953442 is an apocalyptic number.

65953442 is a deficient number, since it is larger than the sum of its proper divisors (32976724).

65953442 is a wasteful number, since it uses less digits than its factorization.

65953442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32976723.

The product of its digits is 129600, while the sum is 38.

The square root of 65953442 is about 8121.1724523002. The cubic root of 65953442 is about 404.0289534195.

The spelling of 65953442 in words is "sixty-five million, nine hundred fifty-three thousand, four hundred forty-two".