55154867554 has 32 divisors (see below), whose sum is σ = 88033337280. Its totient is φ = 25842281472.

The previous prime is 55154867527. The next prime is 55154867561. The reversal of 55154867554 is 45576845155.

It is a junction number, because it is equal to n+sod(n) for n = 55154867495 and 55154867504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9702397 + ... + 9708079.

It is an arithmetic number, because the mean of its divisors is an integer number (2751041790).

Almost surely, 2^55154867554 is an apocalyptic number.

55154867554 is a deficient number, since it is larger than the sum of its proper divisors (32878469726).

55154867554 is a wasteful number, since it uses less digits than its factorization.

55154867554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8434.

The product of its digits is 16800000, while the sum is 55.

The spelling of 55154867554 in words is "fifty-five billion, one hundred fifty-four million, eight hundred sixty-seven thousand, five hundred fifty-four".