65419056 has 40 divisors (see below), whose sum is σ = 187778160. Its totient is φ = 21806208.

The previous prime is 65419049. The next prime is 65419063. The reversal of 65419056 is 65091456.

It is an interprime number because it is at equal distance from previous prime (65419049) and next prime (65419063).

It is a super-2 number, since 2×65419056² = 8559305775862272, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 65419056.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75285 + ... + 76148.

It is an arithmetic number, because the mean of its divisors is an integer number (4694454).

Almost surely, 2^65419056 is an apocalyptic number.

It is an amenable number.

65419056 is an abundant number, since it is smaller than the sum of its proper divisors (122359104).

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

65419056 is a wasteful number, since it uses less digits than its factorization.

65419056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151450 (or 151438 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 65419056 is about 8088.2047451830. The cubic root of 65419056 is about 402.9347816477.

The spelling of 65419056 in words is "sixty-five million, four hundred nineteen thousand, fifty-six".