48278403 has 16 divisors (see below), whose sum is σ = 74634240. Its totient is φ = 30785832.

The previous prime is 48278393. The next prime is 48278407. The reversal of 48278403 is 30487284.

It is not a de Polignac number, because 48278403 - 2⁴ = 48278387 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (48278407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38251 + ... + 39492.

It is an arithmetic number, because the mean of its divisors is an integer number (4664640).

Almost surely, 2^48278403 is an apocalyptic number.

48278403 is a deficient number, since it is larger than the sum of its proper divisors (26355837).

48278403 is a wasteful number, since it uses less digits than its factorization.

48278403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77775 (or 77769 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 48278403 is about 6948.2661866109. The cubic root of 48278403 is about 364.1253920328.

The spelling of 48278403 in words is "forty-eight million, two hundred seventy-eight thousand, four hundred three".