65551152053 has 4 divisors (see below), whose sum is σ = 65552618508. Its totient is φ = 65549685600.

The previous prime is 65551152049. The next prime is 65551152089. The reversal of 65551152053 is 35025115556.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59693239684 + 5857912369 = 244322^2 + 76537^2 .

It is a cyclic number.

It is not a de Polignac number, because 65551152053 - 2² = 65551152049 is a prime.

It is a super-2 number, since 2×65551152053² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65551151998 and 65551152016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65551152013) 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, 663998 + ... + 756303.

It is an arithmetic number, because the mean of its divisors is an integer number (16388154627).

Almost surely, 2^65551152053 is an apocalyptic number.

It is an amenable number.

65551152053 is a deficient number, since it is larger than the sum of its proper divisors (1466455).

65551152053 is a wasteful number, since it uses less digits than its factorization.

65551152053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466454.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 65551152053 in words is "sixty-five billion, five hundred fifty-one million, one hundred fifty-two thousand, fifty-three".