49628251 has 6 divisors (see below), whose sum is σ = 51399452. Its totient is φ = 47916120.

The previous prime is 49628237. The next prime is 49628297. The reversal of 49628251 is 15282694.

It is not a de Polignac number, because 49628251 - 2⁷ = 49628123 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 49628251.

It is not an unprimeable number, because it can be changed into a prime (49628221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28665 + ... + 30346.

Almost surely, 2^49628251 is an apocalyptic number.

49628251 is the 3151-st centered decagonal number.

49628251 is a deficient number, since it is larger than the sum of its proper divisors (1771201).

49628251 is an equidigital number, since it uses as much as digits as its factorization.

49628251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59069 (or 59040 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 49628251 is about 7044.7321453693. The cubic root of 49628251 is about 367.4878543505.

The spelling of 49628251 in words is "forty-nine million, six hundred twenty-eight thousand, two hundred fifty-one".