48751438 has 4 divisors (see below), whose sum is σ = 73127160. Its totient is φ = 24375718.

The previous prime is 48751433. The next prime is 48751457. The reversal of 48751438 is 83415784.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 48751438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48751433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12187858 + ... + 12187861.

It is an arithmetic number, because the mean of its divisors is an integer number (18281790).

Almost surely, 2^48751438 is an apocalyptic number.

48751438 is a deficient number, since it is larger than the sum of its proper divisors (24375722).

48751438 is a wasteful number, since it uses less digits than its factorization.

48751438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24375721.

The product of its digits is 107520, while the sum is 40.

The square root of 48751438 is about 6982.2229984440. Note that the first 3 decimals coincide. The cubic root of 48751438 is about 365.3107705429.

The spelling of 48751438 in words is "forty-eight million, seven hundred fifty-one thousand, four hundred thirty-eight".