48454438 has 4 divisors (see below), whose sum is σ = 72681660. Its totient is φ = 24227218.

The previous prime is 48454433. The next prime is 48454451. The reversal of 48454438 is 83445484.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 48454438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48454433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12113608 + ... + 12113611.

It is an arithmetic number, because the mean of its divisors is an integer number (18170415).

Almost surely, 2^48454438 is an apocalyptic number.

48454438 is a deficient number, since it is larger than the sum of its proper divisors (24227222).

48454438 is a wasteful number, since it uses less digits than its factorization.

48454438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24227221.

The product of its digits is 245760, while the sum is 40.

The square root of 48454438 is about 6960.9222090180. The cubic root of 48454438 is about 364.5674189719.

The spelling of 48454438 in words is "forty-eight million, four hundred fifty-four thousand, four hundred thirty-eight".