52611555656651 has 8 divisors (see below), whose sum is σ = 53485649390544. Its totient is φ = 51740075059200.

The previous prime is 52611555656641. The next prime is 52611555656717. The reversal of 52611555656651 is 15665655511625.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52611555656651 is a prime.

It is a super-2 number, since 2×52611555656651² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52611555656641) 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, 653243510 + ... + 653324043.

It is an arithmetic number, because the mean of its divisors is an integer number (6685706173818).

Almost surely, 2^{52611555656651} is an apocalyptic number.

52611555656651 is a deficient number, since it is larger than the sum of its proper divisors (874093733893).

52611555656651 is a wasteful number, since it uses less digits than its factorization.

52611555656651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306568221.

The product of its digits is 40500000, while the sum is 59.

The spelling of 52611555656651 in words is "fifty-two trillion, six hundred eleven billion, five hundred fifty-five million, six hundred fifty-six thousand, six hundred fifty-one".