55505278053 has 8 divisors (see below), whose sum is σ = 82230041600. Its totient is φ = 37003518684.

The previous prime is 55505278039. The next prime is 55505278067. The reversal of 55505278053 is 35087250555.

It is an interprime number because it is at equal distance from previous prime (55505278039) and next prime (55505278067).

It is not a de Polignac number, because 55505278053 - 2⁵ = 55505278021 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 (55505271053) 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, 1027875493 + ... + 1027875546.

It is an arithmetic number, because the mean of its divisors is an integer number (10278755200).

Almost surely, 2^55505278053 is an apocalyptic number.

It is an amenable number.

55505278053 is a deficient number, since it is larger than the sum of its proper divisors (26724763547).

55505278053 is a wasteful number, since it uses less digits than its factorization.

55505278053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055751048 (or 2055751042 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The spelling of 55505278053 in words is "fifty-five billion, five hundred five million, two hundred seventy-eight thousand, fifty-three".