55327790454 has 64 divisors (see below), whose sum is σ = 115061962752. Its totient is φ = 17717414400.

The previous prime is 55327790417. The next prime is 55327790467. The reversal of 55327790454 is 45409772355.

It is a super-2 number, since 2×55327790454² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55327790397 and 55327790406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15552844 + ... + 15556400.

It is an arithmetic number, because the mean of its divisors is an integer number (1797843168).

Almost surely, 2^55327790454 is an apocalyptic number.

55327790454 is an abundant number, since it is smaller than the sum of its proper divisors (59734172298).

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

55327790454 is a wasteful number, since it uses less digits than its factorization.

55327790454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181.

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 55327790454 in words is "fifty-five billion, three hundred twenty-seven million, seven hundred ninety thousand, four hundred fifty-four".