55275552553 has 8 divisors (see below), whose sum is σ = 59539572288. Its totient is φ = 51013254864.

The previous prime is 55275552551. The next prime is 55275552583. The reversal of 55275552553 is 35525557255.

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

It is not a de Polignac number, because 55275552553 - 2¹ = 55275552551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55275552497 and 55275552506.

It is not an unprimeable number, because it can be changed into a prime (55275552551) 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, 363451 + ... + 492592.

It is an arithmetic number, because the mean of its divisors is an integer number (7442446536).

Almost surely, 2^55275552553 is an apocalyptic number.

It is an amenable number.

55275552553 is a deficient number, since it is larger than the sum of its proper divisors (4264019735).

55275552553 is a wasteful number, since it uses less digits than its factorization.

55275552553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861023.

The product of its digits is 6562500, while the sum is 49.

The spelling of 55275552553 in words is "fifty-five billion, two hundred seventy-five million, five hundred fifty-two thousand, five hundred fifty-three".