54156091930 has 16 divisors (see below), whose sum is σ = 98446125384. Its totient is φ = 21447956800.

The previous prime is 54156091903. The next prime is 54156091933. The reversal of 54156091930 is 3919065145.

54156091930 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 4 ways, for example, as 50812823889 + 3343268041 = 225417^2 + 57821^2 .

It is a super-2 number, since 2×54156091930² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54156091933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26808937 + ... + 26810956.

Almost surely, 2^54156091930 is an apocalyptic number.

54156091930 is a deficient number, since it is larger than the sum of its proper divisors (44290033454).

54156091930 is a wasteful number, since it uses less digits than its factorization.

54156091930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53620001.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 54156091930 in words is "fifty-four billion, one hundred fifty-six million, ninety-one thousand, nine hundred thirty".