552361405656461 has 4 divisors (see below), whose sum is σ = 552505965044124. Its totient is φ = 552216846268800.

The previous prime is 552361405656443. The next prime is 552361405656563. The reversal of 552361405656461 is 164656504163255.

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 251286506376361 + 301074899280100 = 15852019^2 + 17351510^2 .

It is a cyclic number.

It is not a de Polignac number, because 552361405656461 - 2⁶ = 552361405656397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552361405656461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552361405656661) 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, 72279688100 + ... + 72279695741.

It is an arithmetic number, because the mean of its divisors is an integer number (138126491261031).

Almost surely, 2^{552361405656461} is an apocalyptic number.

It is an amenable number.

552361405656461 is a deficient number, since it is larger than the sum of its proper divisors (144559387663).

552361405656461 is a wasteful number, since it uses less digits than its factorization.

552361405656461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144559387662.

The product of its (nonzero) digits is 77760000, while the sum is 59.

The spelling of 552361405656461 in words is "five hundred fifty-two trillion, three hundred sixty-one billion, four hundred five million, six hundred fifty-six thousand, four hundred sixty-one".