55901146 has 8 divisors (see below), whose sum is σ = 95830560. Its totient is φ = 23957628.

The previous prime is 55901129. The next prime is 55901147. The reversal of 55901146 is 64110955.

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

It is a super-2 number, since 2×55901146² = 6249876248226632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55901147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1996456 + ... + 1996483.

It is an arithmetic number, because the mean of its divisors is an integer number (11978820).

Almost surely, 2^55901146 is an apocalyptic number.

55901146 is a deficient number, since it is larger than the sum of its proper divisors (39929414).

55901146 is a wasteful number, since it uses less digits than its factorization.

55901146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992948.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 55901146 is about 7476.7068954186. The cubic root of 55901146 is about 382.3609838420.

The spelling of 55901146 in words is "fifty-five million, nine hundred one thousand, one hundred forty-six".