55356898 has 4 divisors (see below), whose sum is σ = 83035350. Its totient is φ = 27678448.

The previous prime is 55356877. The next prime is 55356949. The reversal of 55356898 is 89865355.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89865355 = 5 ⋅17973071.

It can be written as a sum of positive squares in only one way, i.e., 37859409 + 17497489 = 6153^2 + 4183^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13839223 + ... + 13839226.

Almost surely, 2^55356898 is an apocalyptic number.

55356898 is a deficient number, since it is larger than the sum of its proper divisors (27678452).

55356898 is a wasteful number, since it uses less digits than its factorization.

55356898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27678451.

The product of its digits is 1296000, while the sum is 49.

The square root of 55356898 is about 7440.2216364837. The cubic root of 55356898 is about 381.1160587271.

The spelling of 55356898 in words is "fifty-five million, three hundred fifty-six thousand, eight hundred ninety-eight".