55504972279 has 8 divisors (see below), whose sum is σ = 56740017600. Its totient is φ = 54272180736.

The previous prime is 55504972267. The next prime is 55504972291. The reversal of 55504972279 is 97227940555.

It is an interprime number because it is at equal distance from previous prime (55504972267) and next prime (55504972291).

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 55504972279 - 2⁷ = 55504972151 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 (55504972379) 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, 513594 + ... + 612199.

It is an arithmetic number, because the mean of its divisors is an integer number (7092502200).

Almost surely, 2^55504972279 is an apocalyptic number.

55504972279 is a deficient number, since it is larger than the sum of its proper divisors (1235045321).

55504972279 is a wasteful number, since it uses less digits than its factorization.

55504972279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126889.

The product of its (nonzero) digits is 7938000, while the sum is 55.

The spelling of 55504972279 in words is "fifty-five billion, five hundred four million, nine hundred seventy-two thousand, two hundred seventy-nine".