56099128 has 8 divisors (see below), whose sum is σ = 105185880. Its totient is φ = 28049560.

The previous prime is 56099107. The next prime is 56099129. The reversal of 56099128 is 82199065.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×56099128² = 6294224324720768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56099129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3506188 + ... + 3506203.

It is an arithmetic number, because the mean of its divisors is an integer number (13148235).

Almost surely, 2^56099128 is an apocalyptic number.

It is an amenable number.

56099128 is a deficient number, since it is larger than the sum of its proper divisors (49086752).

56099128 is a wasteful number, since it uses less digits than its factorization.

56099128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7012397 (or 7012393 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 56099128 is about 7489.9351132036. The cubic root of 56099128 is about 382.8118475835.

The spelling of 56099128 in words is "fifty-six million, ninety-nine thousand, one hundred twenty-eight".