49644555 has 8 divisors (see below), whose sum is σ = 79431312. Its totient is φ = 26477088.

The previous prime is 49644533. The next prime is 49644559. The reversal of 49644555 is 55544694.

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

It is not a de Polignac number, because 49644555 - 2¹⁵ = 49611787 is a prime.

It is a super-2 number, since 2×49644555² = 4929163682296050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49644559) 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, 1654804 + ... + 1654833.

It is an arithmetic number, because the mean of its divisors is an integer number (9928914).

Almost surely, 2^49644555 is an apocalyptic number.

49644555 is a deficient number, since it is larger than the sum of its proper divisors (29786757).

49644555 is a wasteful number, since it uses less digits than its factorization.

49644555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309645.

The product of its digits is 432000, while the sum is 42.

The square root of 49644555 is about 7045.8892270600. The cubic root of 49644555 is about 367.5280926278.

The spelling of 49644555 in words is "forty-nine million, six hundred forty-four thousand, five hundred fifty-five".