55451422 has 32 divisors (see below), whose sum is σ = 93350880. Its totient is φ = 24528000.

The previous prime is 55451401. The next prime is 55451423. The reversal of 55451422 is 22415455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55451423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189108 + ... + 189400.

It is an arithmetic number, because the mean of its divisors is an integer number (2917215).

Almost surely, 2^55451422 is an apocalyptic number.

55451422 is a deficient number, since it is larger than the sum of its proper divisors (37899458).

55451422 is a wasteful number, since it uses less digits than its factorization.

55451422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588.

The product of its digits is 8000, while the sum is 28.

The square root of 55451422 is about 7446.5711572508. The cubic root of 55451422 is about 381.3328587442.

Adding to 55451422 its reverse (22415455), we get a palindrome (77866877).

The spelling of 55451422 in words is "fifty-five million, four hundred fifty-one thousand, four hundred twenty-two".