55295612379840 has 224 divisors, whose sum is σ = 200653685844480. Its totient is φ = 12638391975936.

The previous prime is 55295612379829. The next prime is 55295612379851. The reversal of 55295612379840 is 4897321659255.

It is an interprime number because it is at equal distance from previous prime (55295612379829) and next prime (55295612379851).

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148520959 + ... + 148892801.

It is a 1-persistent number, because it is pandigital, but 2⋅55295612379840 = 110591224759680 is not.

Almost surely, 2^{55295612379840} 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 55295612379840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100326842922240).

55295612379840 is an abundant number, since it is smaller than the sum of its proper divisors (145358073464640).

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

55295612379840 is a wasteful number, since it uses less digits than its factorization.

55295612379840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393999 (or 393989 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 66.

The spelling of 55295612379840 in words is "fifty-five trillion, two hundred ninety-five billion, six hundred twelve million, three hundred seventy-nine thousand, eight hundred forty".