55277750553 has 8 divisors (see below), whose sum is σ = 74025518400. Its totient is φ = 36690908208.

The previous prime is 55277750527. The next prime is 55277750581. The reversal of 55277750553 is 35505777255.

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

It is not a de Polignac number, because 55277750553 - 2¹² = 55277746457 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 55277750496 and 55277750505.

It is not an unprimeable number, because it can be changed into a prime (55277752553) 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, 40230573 + ... + 40231946.

It is an arithmetic number, because the mean of its divisors is an integer number (9253189800).

Almost surely, 2^55277750553 is an apocalyptic number.

It is an amenable number.

55277750553 is a deficient number, since it is larger than the sum of its proper divisors (18747767847).

55277750553 is a wasteful number, since it uses less digits than its factorization.

55277750553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80462751.

The product of its (nonzero) digits is 6431250, while the sum is 51.

The spelling of 55277750553 in words is "fifty-five billion, two hundred seventy-seven million, seven hundred fifty thousand, five hundred fifty-three".