49211556 has 12 divisors (see below), whose sum is σ = 114826992. Its totient is φ = 16403848.

The previous prime is 49211551. The next prime is 49211581. The reversal of 49211556 is 65511294.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×49211556² = 4843554487882272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49211551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050470 + ... + 2050493.

It is an arithmetic number, because the mean of its divisors is an integer number (9568916).

Almost surely, 2^49211556 is an apocalyptic number.

It is an amenable number.

49211556 is an abundant number, since it is smaller than the sum of its proper divisors (65615436).

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

49211556 is a wasteful number, since it uses less digits than its factorization.

49211556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100970 (or 4100968 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 49211556 is about 7015.0948674982. The cubic root of 49211556 is about 366.4564462562.

The spelling of 49211556 in words is "forty-nine million, two hundred eleven thousand, five hundred fifty-six".