49922157 has 8 divisors (see below), whose sum is σ = 67152384. Its totient is φ = 32986688.

The previous prime is 49922123. The next prime is 49922189. The reversal of 49922157 is 75122994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49922157 - 2¹⁴ = 49905773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49922057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73293 + ... + 73970.

It is an arithmetic number, because the mean of its divisors is an integer number (8394048).

Almost surely, 2^49922157 is an apocalyptic number.

It is an amenable number.

49922157 is a deficient number, since it is larger than the sum of its proper divisors (17230227).

49922157 is a wasteful number, since it uses less digits than its factorization.

49922157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147379.

The product of its digits is 45360, while the sum is 39.

The square root of 49922157 is about 7065.5613365111. The cubic root of 49922157 is about 368.2118665199.

The spelling of 49922157 in words is "forty-nine million, nine hundred twenty-two thousand, one hundred fifty-seven".