54072984157 has 2 divisors, whose sum is σ = 54072984158. Its totient is φ = 54072984156.

The previous prime is 54072984151. The next prime is 54072984167. The reversal of 54072984157 is 75148927045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28923464761 + 25149519396 = 170069^2 + 158586^2 .

It is a cyclic number.

It is not a de Polignac number, because 54072984157 - 2¹⁵ = 54072951389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54072984151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27036492078 + 27036492079.

It is an arithmetic number, because the mean of its divisors is an integer number (27036492079).

Almost surely, 2^54072984157 is an apocalyptic number.

It is an amenable number.

54072984157 is a deficient number, since it is larger than the sum of its proper divisors (1).

54072984157 is an equidigital number, since it uses as much as digits as its factorization.

54072984157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 54072984157 in words is "fifty-four billion, seventy-two million, nine hundred eighty-four thousand, one hundred fifty-seven".