55921414 has 16 divisors (see below), whose sum is σ = 86929920. Its totient is φ = 26961480.

The previous prime is 55921403. The next prime is 55921421. The reversal of 55921414 is 41412955.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2679 + ... + 10909.

It is an arithmetic number, because the mean of its divisors is an integer number (5433120).

Almost surely, 2^55921414 is an apocalyptic number.

55921414 is a deficient number, since it is larger than the sum of its proper divisors (31008506).

55921414 is a wasteful number, since it uses less digits than its factorization.

55921414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355.

The product of its digits is 7200, while the sum is 31.

The square root of 55921414 is about 7478.0621821432. The cubic root of 55921414 is about 382.4071889532.

The spelling of 55921414 in words is "fifty-five million, nine hundred twenty-one thousand, four hundred fourteen".