55861898552 has 16 divisors (see below), whose sum is σ = 105113808000. Its totient is φ = 27831549760.

The previous prime is 55861898549. The next prime is 55861898567. The reversal of 55861898552 is 25589816855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12422552 + ... + 12427047.

It is an arithmetic number, because the mean of its divisors is an integer number (6569613000).

Almost surely, 2^55861898552 is an apocalyptic number.

It is an amenable number.

55861898552 is a deficient number, since it is larger than the sum of its proper divisors (49251909448).

55861898552 is a wasteful number, since it uses less digits than its factorization.

55861898552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24849886 (or 24849882 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 62.

The spelling of 55861898552 in words is "fifty-five billion, eight hundred sixty-one million, eight hundred ninety-eight thousand, five hundred fifty-two".