48812491 has 32 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 35928576.

The previous prime is 48812479. The next prime is 48812513. The reversal of 48812491 is 19421884.

It is a cyclic number.

It is not a de Polignac number, because 48812491 - 2⁵ = 48812459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48812491.

It is not an unprimeable number, because it can be changed into a prime (48812891) 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, 214920 + ... + 215146.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^48812491 is an apocalyptic number.

48812491 is a deficient number, since it is larger than the sum of its proper divisors (15538229).

48812491 is a wasteful number, since it uses less digits than its factorization.

48812491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its digits is 18432, while the sum is 37.

The square root of 48812491 is about 6986.5936621504. The cubic root of 48812491 is about 365.4632037528.

It can be divided in two parts, 4881249 and 1, that added together give a triangular number (4881250 = T₃₁₂₄).

The spelling of 48812491 in words is "forty-eight million, eight hundred twelve thousand, four hundred ninety-one".