55735173890 has 32 divisors (see below), whose sum is σ = 114202037376. Its totient is φ = 19386146560.

The previous prime is 55735173859. The next prime is 55735173937. The reversal of 55735173890 is 9837153755.

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, 11012327 + ... + 11017386.

It is an arithmetic number, because the mean of its divisors is an integer number (3568813668).

Almost surely, 2^55735173890 is an apocalyptic number.

55735173890 is an abundant number, since it is smaller than the sum of its proper divisors (58466863486).

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

55735173890 is a wasteful number, since it uses less digits than its factorization.

55735173890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22029754.

The product of its (nonzero) digits is 3969000, while the sum is 53.

The spelling of 55735173890 in words is "fifty-five billion, seven hundred thirty-five million, one hundred seventy-three thousand, eight hundred ninety".