48561851 has 4 divisors (see below), whose sum is σ = 52297392. Its totient is φ = 44826312.

The previous prime is 48561839. The next prime is 48561859. The reversal of 48561851 is 15816584.

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

It is a cyclic number.

It is not a de Polignac number, because 48561851 - 2⁶ = 48561787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48561859) 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, 1867751 + ... + 1867776.

It is an arithmetic number, because the mean of its divisors is an integer number (13074348).

Almost surely, 2^48561851 is an apocalyptic number.

48561851 is a deficient number, since it is larger than the sum of its proper divisors (3735541).

48561851 is a wasteful number, since it uses less digits than its factorization.

48561851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735540.

The product of its digits is 38400, while the sum is 38.

The square root of 48561851 is about 6968.6333667370. The cubic root of 48561851 is about 364.8366091740.

The spelling of 48561851 in words is "forty-eight million, five hundred sixty-one thousand, eight hundred fifty-one".