55453422140 has 48 divisors (see below), whose sum is σ = 117248366592. Its totient is φ = 22029942336.

The previous prime is 55453422121. The next prime is 55453422197. The reversal of 55453422140 is 4122435455.

It is a self number, because there is not a number n which added to its sum of digits gives 55453422140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4359029 + ... + 4371731.

It is an arithmetic number, because the mean of its divisors is an integer number (2442674304).

Almost surely, 2^55453422140 is an apocalyptic number.

It is an amenable number.

55453422140 is an abundant number, since it is smaller than the sum of its proper divisors (61794944452).

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

55453422140 is a wasteful number, since it uses less digits than its factorization.

55453422140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14186 (or 14184 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 55453422140 its reverse (4122435455), we get a palindrome (59575857595).

The spelling of 55453422140 in words is "fifty-five billion, four hundred fifty-three million, four hundred twenty-two thousand, one hundred forty".