55494622 has 4 divisors (see below), whose sum is σ = 83241936. Its totient is φ = 27747310.

The previous prime is 55494617. The next prime is 55494623. The reversal of 55494622 is 22649455.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55494623) 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 as a sum of consecutive naturals, namely, 13873654 + ... + 13873657.

It is an arithmetic number, because the mean of its divisors is an integer number (20810484).

Almost surely, 2^55494622 is an apocalyptic number.

55494622 is a deficient number, since it is larger than the sum of its proper divisors (27747314).

55494622 is a wasteful number, since it uses less digits than its factorization.

55494622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27747313.

The product of its digits is 86400, while the sum is 37.

The square root of 55494622 is about 7449.4712564047. The cubic root of 55494622 is about 381.4318601331.

The spelling of 55494622 in words is "fifty-five million, four hundred ninety-four thousand, six hundred twenty-two".