It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94102135 = 5 ⋅18820427.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
It is a 2082-hyperperfect number.
Almost surely, 253120149 is an apocalyptic number.
It is an amenable number.
53120149 is a wasteful number, since it uses less digits than its factorization.
53120149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25514.
The square root of 53120149 is about 7288.3570851050. The cubic root of 53120149 is about 375.9122064716.
The spelling of 53120149 in words is "fifty-three million, one hundred twenty thousand, one hundred forty-nine".