47553157 has 4 divisors (see below), whose sum is σ = 47624076. Its totient is φ = 47482240.

The previous prime is 47553119. The next prime is 47553169. The reversal of 47553157 is 75135574.

47553157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47416996 + 136161 = 6886^2 + 369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47553157 is a prime.

It is a super-3 number, since 3×47553157³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47553197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34444 + ... + 35797.

It is an arithmetic number, because the mean of its divisors is an integer number (11906019).

Almost surely, 2^47553157 is an apocalyptic number.

It is an amenable number.

47553157 is a deficient number, since it is larger than the sum of its proper divisors (70919).

47553157 is an equidigital number, since it uses as much as digits as its factorization.

47553157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70918.

The product of its digits is 73500, while the sum is 37.

The square root of 47553157 is about 6895.8797118279. The cubic root of 47553157 is about 362.2928681124.

The spelling of 47553157 in words is "forty-seven million, five hundred fifty-three thousand, one hundred fifty-seven".