54902901905 has 16 divisors (see below), whose sum is σ = 69764619600. Its totient is φ = 41335314432.

The previous prime is 54902901901. The next prime is 54902901913. The reversal of 54902901905 is 50910920945.

54902901905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 9400465936 + 45502435969 = 96956^2 + 213313^2 .

It is a cyclic number.

It is not a de Polignac number, because 54902901905 - 2² = 54902901901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54902901901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696637 + ... + 1728693.

It is an arithmetic number, because the mean of its divisors is an integer number (4360288725).

Almost surely, 2^54902901905 is an apocalyptic number.

It is an amenable number.

54902901905 is a deficient number, since it is larger than the sum of its proper divisors (14861717695).

54902901905 is a wasteful number, since it uses less digits than its factorization.

54902901905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52228.

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 54902901905 in words is "fifty-four billion, nine hundred two million, nine hundred one thousand, nine hundred five".