47901651 has 16 divisors (see below), whose sum is σ = 73995264. Its totient is φ = 26996544.

The previous prime is 47901647. The next prime is 47901661. The reversal of 47901651 is 15610974.

It is not a de Polignac number, because 47901651 - 2² = 47901647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47901611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14091 + ... + 17156.

It is an arithmetic number, because the mean of its divisors is an integer number (4624704).

Almost surely, 2^47901651 is an apocalyptic number.

47901651 is a deficient number, since it is larger than the sum of its proper divisors (26093613).

47901651 is a wasteful number, since it uses less digits than its factorization.

47901651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31330.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 47901651 is about 6921.1018631429. The cubic root of 47901651 is about 363.1757377485.

It can be divided in two parts, 4790 and 1651, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 47901651 in words is "forty-seven million, nine hundred one thousand, six hundred fifty-one".