54157858 has 8 divisors (see below), whose sum is σ = 81354780. Its totient is φ = 27039600.

The previous prime is 54157853. The next prime is 54157907. The reversal of 54157858 is 85875145.

It can be written as a sum of positive squares in 2 ways, for example, as 53538489 + 619369 = 7317^2 + 787^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54157853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17913 + ... + 20716.

Almost surely, 2^54157858 is an apocalyptic number.

54157858 is a deficient number, since it is larger than the sum of its proper divisors (27196922).

54157858 is a wasteful number, since it uses less digits than its factorization.

54157858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39332.

The product of its digits is 224000, while the sum is 43.

The square root of 54157858 is about 7359.2022665504. The cubic root of 54157858 is about 378.3442689088.

The spelling of 54157858 in words is "fifty-four million, one hundred fifty-seven thousand, eight hundred fifty-eight".