55972901845 has 8 divisors (see below), whose sum is σ = 76762836864. Its totient is φ = 38381418384.

The previous prime is 55972901839. The next prime is 55972901869. The reversal of 55972901845 is 54810927955.

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

It is a cyclic number.

It is not a de Polignac number, because 55972901845 - 2¹⁵ = 55972869077 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 799612849 + ... + 799612918.

It is an arithmetic number, because the mean of its divisors is an integer number (9595354608).

Almost surely, 2^55972901845 is an apocalyptic number.

It is an amenable number.

55972901845 is a deficient number, since it is larger than the sum of its proper divisors (20789935019).

55972901845 is a wasteful number, since it uses less digits than its factorization.

55972901845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599225779.

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 55972901845 in words is "fifty-five billion, nine hundred seventy-two million, nine hundred one thousand, eight hundred forty-five".