55408667953 has 8 divisors (see below), whose sum is σ = 58683520872. Its totient is φ = 52135539456.

The previous prime is 55408667947. The next prime is 55408667969. The reversal of 55408667953 is 35976680455.

It can be written as a sum of positive squares in 4 ways, for example, as 5486809329 + 49921858624 = 74073^2 + 223432^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55408667953 - 2⁵ = 55408667921 is a prime.

It is a super-3 number, since 3×55408667953³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55408661953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364650 + ... + 493747.

It is an arithmetic number, because the mean of its divisors is an integer number (7335440109).

Almost surely, 2^55408667953 is an apocalyptic number.

It is an amenable number.

55408667953 is a deficient number, since it is larger than the sum of its proper divisors (3274852919).

55408667953 is a wasteful number, since it uses less digits than its factorization.

55408667953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862211.

The product of its (nonzero) digits is 27216000, while the sum is 58.

The spelling of 55408667953 in words is "fifty-five billion, four hundred eight million, six hundred sixty-seven thousand, nine hundred fifty-three".