49646556 has 18 divisors (see below), whose sum is σ = 125495552. Its totient is φ = 16548840.

The previous prime is 49646549. The next prime is 49646573. The reversal of 49646556 is 65564694.

49646556 is a `hidden beast` number, since 4 + 96 + 4 + 6 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×49646556² = 4929561045322272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 689500 + ... + 689571.

Almost surely, 2^49646556 is an apocalyptic number.

It is an amenable number.

49646556 is an abundant number, since it is smaller than the sum of its proper divisors (75848996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49646556 is a wasteful number, since it uses less digits than its factorization.

49646556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379081 (or 1379076 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 49646556 is about 7046.0312233200. The cubic root of 49646556 is about 367.5330304894.

The spelling of 49646556 in words is "forty-nine million, six hundred forty-six thousand, five hundred fifty-six".