55486628208 has 160 divisors (see below), whose sum is σ = 181300538880. Its totient is φ = 16083048960.

The previous prime is 55486628191. The next prime is 55486628221. The reversal of 55486628208 is 80282668455.

It is a happy number.

55486628208 is a `hidden beast` number, since 5 + 5 + 4 + 8 + 6 + 628 + 2 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 144541 + ... + 363132.

It is an arithmetic number, because the mean of its divisors is an integer number (1133128368).

Almost surely, 2^55486628208 is an apocalyptic number.

It is an amenable number.

55486628208 is an abundant number, since it is smaller than the sum of its proper divisors (125813910672).

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

55486628208 is a wasteful number, since it uses less digits than its factorization.

55486628208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507724 (or 507712 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 55486628208 in words is "fifty-five billion, four hundred eighty-six million, six hundred twenty-eight thousand, two hundred eight".