55537873554 has 16 divisors (see below), whose sum is σ = 111078254592. Its totient is φ = 18512206608.

The previous prime is 55537873499. The next prime is 55537873561. The reversal of 55537873554 is 45537873555.

It is a junction number, because it is equal to n+sod(n) for n = 55537873494 and 55537873503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309852 + ... + 455064.

It is an arithmetic number, because the mean of its divisors is an integer number (6942390912).

Almost surely, 2^55537873554 is an apocalyptic number.

55537873554 is an abundant number, since it is smaller than the sum of its proper divisors (55540381038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55537873554 is a wasteful number, since it uses less digits than its factorization.

55537873554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208961.

The product of its digits is 44100000, while the sum is 57.

Subtracting from 55537873554 its reverse (45537873555), we obtain a palindrome (9999999999).

The spelling of 55537873554 in words is "fifty-five billion, five hundred thirty-seven million, eight hundred seventy-three thousand, five hundred fifty-four".