49225129 has 4 divisors (see below), whose sum is σ = 51365376. Its totient is φ = 47084884.

The previous prime is 49225123. The next prime is 49225139. The reversal of 49225129 is 92152294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49225129 - 2⁵ = 49225097 is a prime.

It is a super-2 number, since 2×49225129² = 4846226650133282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49225094 and 49225103.

It is not an unprimeable number, because it can be changed into a prime (49225123) 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, 1070089 + ... + 1070134.

It is an arithmetic number, because the mean of its divisors is an integer number (12841344).

Almost surely, 2^49225129 is an apocalyptic number.

It is an amenable number.

49225129 is a deficient number, since it is larger than the sum of its proper divisors (2140247).

49225129 is a wasteful number, since it uses less digits than its factorization.

49225129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140246.

The product of its digits is 12960, while the sum is 34.

The square root of 49225129 is about 7016.0622146614. The cubic root of 49225129 is about 366.4901338460.

The spelling of 49225129 in words is "forty-nine million, two hundred twenty-five thousand, one hundred twenty-nine".