55622357670 has 256 divisors, whose sum is σ = 152165744640. Its totient is φ = 12895411200.

The previous prime is 55622357653. The next prime is 55622357677. The reversal of 55622357670 is 7675322655.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55622357677) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 232729411 + ... + 232729649.

It is an arithmetic number, because the mean of its divisors is an integer number (594397440).

Almost surely, 2^55622357670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55622357670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76082872320).

55622357670 is an abundant number, since it is smaller than the sum of its proper divisors (96543386970).

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

55622357670 is a wasteful number, since it uses less digits than its factorization.

55622357670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its (nonzero) digits is 2646000, while the sum is 48.

The spelling of 55622357670 in words is "fifty-five billion, six hundred twenty-two million, three hundred fifty-seven thousand, six hundred seventy".