55762867923840 has 768 divisors, whose sum is σ = 240438899750400. Its totient is φ = 11569284956160.

The previous prime is 55762867923839. The next prime is 55762867923859. The reversal of 55762867923840 is 4832976826755.

55762867923840 is a `hidden beast` number, since 5 + 5 + 7 + 6 + 286 + 79 + 238 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 289522291 + ... + 289714829.

It is an arithmetic number, because the mean of its divisors is an integer number (313071484050).

Almost surely, 2^{55762867923840} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55762867923840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120219449875200).

55762867923840 is an abundant number, since it is smaller than the sum of its proper divisors (184676031826560).

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

55762867923840 is a wasteful number, since it uses less digits than its factorization.

55762867923840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193235 (or 193220 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 72.

The spelling of 55762867923840 in words is "fifty-five trillion, seven hundred sixty-two billion, eight hundred sixty-seven million, nine hundred twenty-three thousand, eight hundred forty".