55724665505 has 8 divisors (see below), whose sum is σ = 69026682624. Its totient is φ = 43141676400.

The previous prime is 55724665441. The next prime is 55724665531. The reversal of 55724665505 is 50556642755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55724665505 - 2⁶ = 55724665441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179756831 + ... + 179757140.

It is an arithmetic number, because the mean of its divisors is an integer number (8628335328).

Almost surely, 2^55724665505 is an apocalyptic number.

It is an amenable number.

55724665505 is a deficient number, since it is larger than the sum of its proper divisors (13302017119).

55724665505 is a wasteful number, since it uses less digits than its factorization.

55724665505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359514007.

The product of its (nonzero) digits is 6300000, while the sum is 50.

The spelling of 55724665505 in words is "fifty-five billion, seven hundred twenty-four million, six hundred sixty-five thousand, five hundred five".