55126398 has 8 divisors (see below), whose sum is σ = 110252808. Its totient is φ = 18375464.

The previous prime is 55126373. The next prime is 55126399. The reversal of 55126398 is 89362155.

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

55126398 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55126399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593861 + ... + 4593872.

It is an arithmetic number, because the mean of its divisors is an integer number (13781601).

Almost surely, 2^55126398 is an apocalyptic number.

55126398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55126398 is a wasteful number, since it uses less digits than its factorization.

55126398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9187738.

The product of its digits is 64800, while the sum is 39.

The square root of 55126398 is about 7424.7153480790. The cubic root of 55126398 is about 380.5863477889.

The spelling of 55126398 in words is "fifty-five million, one hundred twenty-six thousand, three hundred ninety-eight".