54547157 has 16 divisors (see below), whose sum is σ = 65869440. Its totient is φ = 44126208.

The previous prime is 54547153. The next prime is 54547159. The reversal of 54547157 is 75174545.

It is not a de Polignac number, because 54547157 - 2² = 54547153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54547157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54547153) 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 15 ways as a sum of consecutive naturals, for example, 44213 + ... + 45429.

It is an arithmetic number, because the mean of its divisors is an integer number (4116840).

Almost surely, 2^54547157 is an apocalyptic number.

It is an amenable number.

54547157 is a deficient number, since it is larger than the sum of its proper divisors (11322283).

54547157 is a wasteful number, since it uses less digits than its factorization.

54547157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580.

The product of its digits is 98000, while the sum is 38.

The square root of 54547157 is about 7385.6047145782. The cubic root of 54547157 is about 379.2486469491.

The spelling of 54547157 in words is "fifty-four million, five hundred forty-seven thousand, one hundred fifty-seven".