55491122 has 8 divisors (see below), whose sum is σ = 85266972. Its totient is φ = 27068800.

The previous prime is 55491119. The next prime is 55491131. The reversal of 55491122 is 22119455.

It can be written as a sum of positive squares in 2 ways, for example, as 51566761 + 3924361 = 7181^2 + 1981^2 .

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

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, 338279 + ... + 338442.

Almost surely, 2^55491122 is an apocalyptic number.

55491122 is a deficient number, since it is larger than the sum of its proper divisors (29775850).

55491122 is a wasteful number, since it uses less digits than its factorization.

55491122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676764.

The product of its digits is 3600, while the sum is 29.

The square root of 55491122 is about 7449.2363366992. The cubic root of 55491122 is about 381.4238411003.

The spelling of 55491122 in words is "fifty-five million, four hundred ninety-one thousand, one hundred twenty-two".