49021556 has 24 divisors (see below), whose sum is σ = 90538560. Its totient is φ = 23177792.

The previous prime is 49021549. The next prime is 49021589. The reversal of 49021556 is 65512094.

It is a happy number.

It is a super-2 number, since 2×49021556² = 4806225905322272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5195 + ... + 11181.

It is an arithmetic number, because the mean of its divisors is an integer number (3772440).

Almost surely, 2^49021556 is an apocalyptic number.

49021556 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

49021556 is a deficient number, since it is larger than the sum of its proper divisors (41517004).

49021556 is a wasteful number, since it uses less digits than its factorization.

49021556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103 (or 6101 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 49021556 is about 7001.5395449858. The cubic root of 49021556 is about 365.9842229954.

The spelling of 49021556 in words is "forty-nine million, twenty-one thousand, five hundred fifty-six".