55357023505 has 32 divisors (see below), whose sum is σ = 78337808640. Its totient is φ = 36762823680.

The previous prime is 55357023499. The next prime is 55357023521. The reversal of 55357023505 is 50532075355.

It is not a de Polignac number, because 55357023505 - 2¹¹ = 55357021457 is a prime.

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, 55806 + ... + 337384.

It is an arithmetic number, because the mean of its divisors is an integer number (2448056520).

Almost surely, 2^55357023505 is an apocalyptic number.

It is an amenable number.

55357023505 is a deficient number, since it is larger than the sum of its proper divisors (22980785135).

55357023505 is a wasteful number, since it uses less digits than its factorization.

55357023505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281769.

The product of its (nonzero) digits is 393750, while the sum is 40.

The spelling of 55357023505 in words is "fifty-five billion, three hundred fifty-seven million, twenty-three thousand, five hundred five".