55291676160 has 640 divisors, whose sum is σ = 213430339584. Its totient is φ = 11938037760.

The previous prime is 55291676113. The next prime is 55291676171. The reversal of 55291676160 is 6167619255.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 119938330 + ... + 119938790.

Almost surely, 2^55291676160 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 55291676160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106715169792).

55291676160 is an abundant number, since it is smaller than the sum of its proper divisors (158138663424).

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

55291676160 is a wasteful number, since it uses less digits than its factorization.

55291676160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 55291676160 in words is "fifty-five billion, two hundred ninety-one million, six hundred seventy-six thousand, one hundred sixty".