55701194640 has 320 divisors, whose sum is σ = 214720590336. Its totient is φ = 11630739456.

The previous prime is 55701194611. The next prime is 55701194663. The reversal of 55701194640 is 4649110755.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 55701194592 and 55701194601.

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, 2105334 + ... + 2131626.

Almost surely, 2^55701194640 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 55701194640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107360295168).

55701194640 is an abundant number, since it is smaller than the sum of its proper divisors (159019395696).

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

55701194640 is a wasteful number, since it uses less digits than its factorization.

55701194640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26426 (or 26420 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 55701194640 in words is "fifty-five billion, seven hundred one million, one hundred ninety-four thousand, six hundred forty".