55398916277 has 8 divisors (see below), whose sum is σ = 58748348736. Its totient is φ = 52059558592.

The previous prime is 55398916249. The next prime is 55398916283. The reversal of 55398916277 is 77261989355.

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

It is not a de Polignac number, because 55398916277 - 2¹⁴ = 55398899893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55398916477) 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, 2507363 + ... + 2529360.

It is an arithmetic number, because the mean of its divisors is an integer number (7343543592).

Almost surely, 2^55398916277 is an apocalyptic number.

It is an amenable number.

55398916277 is a deficient number, since it is larger than the sum of its proper divisors (3349432459).

55398916277 is a wasteful number, since it uses less digits than its factorization.

55398916277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037387.

The product of its digits is 28576800, while the sum is 62.

The spelling of 55398916277 in words is "fifty-five billion, three hundred ninety-eight million, nine hundred sixteen thousand, two hundred seventy-seven".