49157629 has 4 divisors (see below), whose sum is σ = 50203584. Its totient is φ = 48111676.

The previous prime is 49157627. The next prime is 49157653. The reversal of 49157629 is 92675194.

It is a happy number.

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 49157629 - 2¹ = 49157627 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49157621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522907 + ... + 523000.

It is an arithmetic number, because the mean of its divisors is an integer number (12550896).

Almost surely, 2^49157629 is an apocalyptic number.

It is an amenable number.

49157629 is a deficient number, since it is larger than the sum of its proper divisors (1045955).

49157629 is a wasteful number, since it uses less digits than its factorization.

49157629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045954.

The product of its digits is 136080, while the sum is 43.

The square root of 49157629 is about 7011.2501738278. The cubic root of 49157629 is about 366.3225405826.

It can be divided in two parts, 4915 and 7629, that added together give a square (12544 = 112²).

The spelling of 49157629 in words is "forty-nine million, one hundred fifty-seven thousand, six hundred twenty-nine".