49488451 has 4 divisors (see below), whose sum is σ = 49509304. Its totient is φ = 49467600.

The previous prime is 49488449. The next prime is 49488469. The reversal of 49488451 is 15488494.

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 49488451 - 2¹ = 49488449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49488398 and 49488407.

It is not an unprimeable number, because it can be changed into a prime (49488401) 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, 6330 + ... + 11791.

It is an arithmetic number, because the mean of its divisors is an integer number (12377326).

Almost surely, 2^49488451 is an apocalyptic number.

49488451 is a deficient number, since it is larger than the sum of its proper divisors (20853).

49488451 is a wasteful number, since it uses less digits than its factorization.

49488451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20852.

The product of its digits is 184320, while the sum is 43.

The square root of 49488451 is about 7034.8028401655. The cubic root of 49488451 is about 367.1424656077.

Adding to 49488451 its sum of digits (43), we get a palindrome (49488494).

The spelling of 49488451 in words is "forty-nine million, four hundred eighty-eight thousand, four hundred fifty-one".