55922398 has 16 divisors (see below), whose sum is σ = 96132960. Its totient is φ = 23900256.

The previous prime is 55922393. The next prime is 55922413. The reversal of 55922398 is 89322955.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55922393) 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, 133 + ... + 10576.

It is an arithmetic number, because the mean of its divisors is an integer number (6008310).

Almost surely, 2^55922398 is an apocalyptic number.

55922398 is a deficient number, since it is larger than the sum of its proper divisors (40210562).

55922398 is a wasteful number, since it uses less digits than its factorization.

55922398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091.

The product of its digits is 194400, while the sum is 43.

The square root of 55922398 is about 7478.1279742995. The cubic root of 55922398 is about 382.4094319012.

The spelling of 55922398 in words is "fifty-five million, nine hundred twenty-two thousand, three hundred ninety-eight".