49925589451 has 4 divisors (see below), whose sum is σ = 49970047912. Its totient is φ = 49881130992.

The previous prime is 49925589449. The next prime is 49925589463. The reversal of 49925589451 is 15498552994.

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 49925589451 - 2¹ = 49925589449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49925589451.

It is not an unprimeable number, because it can be changed into a prime (49925589491) 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, 22227546 + ... + 22229791.

It is an arithmetic number, because the mean of its divisors is an integer number (12492511978).

Almost surely, 2^49925589451 is an apocalyptic number.

49925589451 is a deficient number, since it is larger than the sum of its proper divisors (44458461).

49925589451 is a wasteful number, since it uses less digits than its factorization.

49925589451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44458460.

The product of its digits is 23328000, while the sum is 61.

The spelling of 49925589451 in words is "forty-nine billion, nine hundred twenty-five million, five hundred eighty-nine thousand, four hundred fifty-one".