54148057 has 8 divisors (see below), whose sum is σ = 55704200. Its totient is φ = 52635312.

The previous prime is 54148013. The next prime is 54148091. The reversal of 54148057 is 75084145.

It can be written as a sum of positive squares in 4 ways, for example, as 20693401 + 33454656 = 4549^2 + 5784^2 .

It is not a de Polignac number, because 54148057 - 2¹¹ = 54146009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54148007) 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, 50119 + ... + 51187.

It is an arithmetic number, because the mean of its divisors is an integer number (6963025).

Almost surely, 2^54148057 is an apocalyptic number.

It is an amenable number.

54148057 is a deficient number, since it is larger than the sum of its proper divisors (1556143).

54148057 is an frugal number, since it uses more digits than its factorization.

54148057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 54148057 is about 7358.5363354406. The cubic root of 54148057 is about 378.3214444223.

The spelling of 54148057 in words is "fifty-four million, one hundred forty-eight thousand, fifty-seven".