55521662 has 8 divisors (see below), whose sum is σ = 95180016. Its totient is φ = 23794992.

The previous prime is 55521659. The next prime is 55521673. The reversal of 55521662 is 26612555.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1982903 + ... + 1982930.

It is an arithmetic number, because the mean of its divisors is an integer number (11897502).

Almost surely, 2^55521662 is an apocalyptic number.

55521662 is a deficient number, since it is larger than the sum of its proper divisors (39658354).

55521662 is a wasteful number, since it uses less digits than its factorization.

55521662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965842.

The product of its digits is 18000, while the sum is 32.

The square root of 55521662 is about 7451.2859292876. The cubic root of 55521662 is about 381.4938015273.

The spelling of 55521662 in words is "fifty-five million, five hundred twenty-one thousand, six hundred sixty-two".