49107621 has 16 divisors (see below), whose sum is σ = 68684544. Its totient is φ = 31172544.

The previous prime is 49107613. The next prime is 49107631. The reversal of 49107621 is 12670194.

It is a happy number.

It is not a de Polignac number, because 49107621 - 2³ = 49107613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49107601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511 + ... + 9923.

It is an arithmetic number, because the mean of its divisors is an integer number (4292784).

Almost surely, 2^49107621 is an apocalyptic number.

It is an amenable number.

49107621 is a deficient number, since it is larger than the sum of its proper divisors (19576923).

49107621 is a wasteful number, since it uses less digits than its factorization.

49107621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 49107621 is about 7007.6829979673. The cubic root of 49107621 is about 366.1982786014.

The spelling of 49107621 in words is "forty-nine million, one hundred seven thousand, six hundred twenty-one".