55124917320 has 128 divisors (see below), whose sum is σ = 183101783040. Its totient is φ = 13164138240.

The previous prime is 55124917319. The next prime is 55124917357. The reversal of 55124917320 is 2371942155.

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, 223212 + ... + 400091.

It is an arithmetic number, because the mean of its divisors is an integer number (1430482680).

Almost surely, 2^55124917320 is an apocalyptic number.

It is an amenable number.

55124917320 is an abundant number, since it is smaller than the sum of its proper divisors (127976865720).

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

55124917320 is a wasteful number, since it uses less digits than its factorization.

55124917320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623395 (or 623391 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 55124917320 in words is "fifty-five billion, one hundred twenty-four million, nine hundred seventeen thousand, three hundred twenty".