48878451 has 32 divisors (see below), whose sum is σ = 77656320. Its totient is φ = 30275712.

The previous prime is 48878441. The next prime is 48878471. The reversal of 48878451 is 15487884.

It is not a de Polignac number, because 48878451 - 2⁵ = 48878419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48878397 and 48878406.

It is not an unprimeable number, because it can be changed into a prime (48878441) 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, 37456 + ... + 38738.

It is an arithmetic number, because the mean of its divisors is an integer number (2426760).

Almost surely, 2^48878451 is an apocalyptic number.

48878451 is a deficient number, since it is larger than the sum of its proper divisors (28777869).

48878451 is a wasteful number, since it uses less digits than its factorization.

48878451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1386 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 48878451 is about 6991.3125377142. The cubic root of 48878451 is about 365.6277456730.

The spelling of 48878451 in words is "forty-eight million, eight hundred seventy-eight thousand, four hundred fifty-one".