53222454 has 16 divisors (see below), whose sum is σ = 118272240. Its totient is φ = 17740800.

The previous prime is 53222431. The next prime is 53222459. The reversal of 53222454 is 45422235.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53222459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492747 + ... + 492854.

It is an arithmetic number, because the mean of its divisors is an integer number (7392015).

Almost surely, 2^53222454 is an apocalyptic number.

53222454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

53222454 is an abundant number, since it is smaller than the sum of its proper divisors (65049786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53222454 is a wasteful number, since it uses less digits than its factorization.

53222454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985612 (or 985606 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 53222454 is about 7295.3720946913. The cubic root of 53222454 is about 376.1533769540.

Adding to 53222454 its reverse (45422235), we get a palindrome (98644689).

It can be divided in two parts, 5322245 and 4, that added together give a square (5322249 = 2307²).

The spelling of 53222454 in words is "fifty-three million, two hundred twenty-two thousand, four hundred fifty-four".