55400071710 has 128 divisors (see below), whose sum is σ = 141910216704. Its totient is φ = 13809185280.

The previous prime is 55400071703. The next prime is 55400071721. The reversal of 55400071710 is 1717000455.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40115220 + ... + 40116600.

It is an arithmetic number, because the mean of its divisors is an integer number (1108673568).

Almost surely, 2^55400071710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55400071710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70955108352).

55400071710 is an abundant number, since it is smaller than the sum of its proper divisors (86510144994).

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

55400071710 is a wasteful number, since it uses less digits than its factorization.

55400071710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698.

The product of its (nonzero) digits is 4900, while the sum is 30.

The spelling of 55400071710 in words is "fifty-five billion, four hundred million, seventy-one thousand, seven hundred ten".