55223494 has 16 divisors (see below), whose sum is σ = 83761488. Its totient is φ = 27304992.

The previous prime is 55223489. The next prime is 55223507. The reversal of 55223494 is 49432255.

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, 124437 + ... + 124879.

It is an arithmetic number, because the mean of its divisors is an integer number (5235093).

Almost surely, 2^55223494 is an apocalyptic number.

55223494 is a deficient number, since it is larger than the sum of its proper divisors (28537994).

55223494 is a wasteful number, since it uses less digits than its factorization.

55223494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999.

The product of its digits is 43200, while the sum is 34.

The square root of 55223494 is about 7431.2511732547. The cubic root of 55223494 is about 380.8096632893.

The spelling of 55223494 in words is "fifty-five million, two hundred twenty-three thousand, four hundred ninety-four".