47992651 has 32 divisors (see below), whose sum is σ = 62438400. Its totient is φ = 35925120.

The previous prime is 47992643. The next prime is 47992657. The reversal of 47992651 is 15629974.

It is a happy number.

It is not a de Polignac number, because 47992651 - 2³ = 47992643 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47992598 and 47992607.

It is not an unprimeable number, because it can be changed into a prime (47992657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88441 + ... + 88981.

It is an arithmetic number, because the mean of its divisors is an integer number (1951200).

Almost surely, 2^47992651 is an apocalyptic number.

47992651 is a deficient number, since it is larger than the sum of its proper divisors (14445749).

47992651 is a wasteful number, since it uses less digits than its factorization.

47992651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619.

The product of its digits is 136080, while the sum is 43.

The square root of 47992651 is about 6927.6728415825. The cubic root of 47992651 is about 363.4055703709.

The spelling of 47992651 in words is "forty-seven million, nine hundred ninety-two thousand, six hundred fifty-one".