55225338 has 32 divisors (see below), whose sum is σ = 130584960. Its totient is φ = 15234240.

The previous prime is 55225337. The next prime is 55225361. The reversal of 55225338 is 83352255.

It is a junction number, because it is equal to n+sod(n) for n = 55225299 and 55225308.

It is not an unprimeable number, because it can be changed into a prime (55225337) 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, 21453 + ... + 23888.

It is an arithmetic number, because the mean of its divisors is an integer number (4080780).

Almost surely, 2^55225338 is an apocalyptic number.

55225338 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

55225338 is an abundant number, since it is smaller than the sum of its proper divisors (75359622).

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

55225338 is a wasteful number, since it uses less digits than its factorization.

55225338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45382.

The product of its digits is 36000, while the sum is 33.

The square root of 55225338 is about 7431.3752428470. The cubic root of 55225338 is about 380.8139018549.

The spelling of 55225338 in words is "fifty-five million, two hundred twenty-five thousand, three hundred thirty-eight".