55404081284 has 24 divisors (see below), whose sum is σ = 97505845248. Its totient is φ = 27545391360.

The previous prime is 55404081281. The next prime is 55404081287. The reversal of 55404081284 is 48218040455.

It is an interprime number because it is at equal distance from previous prime (55404081281) and next prime (55404081287).

It is a super-2 number, since 2×55404081284² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55404081281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1967069 + ... + 1995035.

It is an arithmetic number, because the mean of its divisors is an integer number (4062743552).

Almost surely, 2^55404081284 is an apocalyptic number.

It is an amenable number.

55404081284 is a deficient number, since it is larger than the sum of its proper divisors (42101763964).

55404081284 is a wasteful number, since it uses less digits than its factorization.

55404081284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30755 (or 30753 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 41.

The spelling of 55404081284 in words is "fifty-five billion, four hundred four million, eighty-one thousand, two hundred eighty-four".