55452416191840 has 96 divisors (see below), whose sum is σ = 131406301264896. Its totient is φ = 22113298145280.

The previous prime is 55452416191817. The next prime is 55452416191849. The reversal of 55452416191840 is 4819161425455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55452416191849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139581324 + ... + 139978036.

It is an arithmetic number, because the mean of its divisors is an integer number (1368815638176).

Almost surely, 2^{55452416191840} is an apocalyptic number.

It is an amenable number.

55452416191840 is an abundant number, since it is smaller than the sum of its proper divisors (75953885073056).

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

55452416191840 is a wasteful number, since it uses less digits than its factorization.

55452416191840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399392 (or 399384 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 55.

The spelling of 55452416191840 in words is "fifty-five trillion, four hundred fifty-two billion, four hundred sixteen million, one hundred ninety-one thousand, eight hundred forty".