47856101 has 4 divisors (see below), whose sum is σ = 48393900. Its totient is φ = 47318304.

The previous prime is 47856089. The next prime is 47856113. The reversal of 47856101 is 10165874.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (47856089) and next prime (47856113).

It can be written as a sum of positive squares in 2 ways, for example, as 2563201 + 45292900 = 1601^2 + 6730^2 .

It is a cyclic number.

It is not a de Polignac number, because 47856101 - 2¹⁸ = 47593957 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47856131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268766 + ... + 268943.

It is an arithmetic number, because the mean of its divisors is an integer number (12098475).

Almost surely, 2^47856101 is an apocalyptic number.

It is an amenable number.

47856101 is a deficient number, since it is larger than the sum of its proper divisors (537799).

47856101 is an equidigital number, since it uses as much as digits as its factorization.

47856101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537798.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 47856101 is about 6917.8104194897. The cubic root of 47856101 is about 363.0605858294.

The spelling of 47856101 in words is "forty-seven million, eight hundred fifty-six thousand, one hundred one".