53190466949 has 4 divisors (see below), whose sum is σ = 56319317964. Its totient is φ = 50061615936.

The previous prime is 53190466939. The next prime is 53190466963. The reversal of 53190466949 is 94966409135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39952813924 + 13237653025 = 199882^2 + 115055^2 .

It is a cyclic number.

It is not a de Polignac number, because 53190466949 - 2⁴ = 53190466933 is a prime.

It is a super-2 number, since 2×53190466949² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53190466894 and 53190466903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53190466939) 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, 1564425482 + ... + 1564425515.

It is an arithmetic number, because the mean of its divisors is an integer number (14079829491).

Almost surely, 2^53190466949 is an apocalyptic number.

It is an amenable number.

53190466949 is a deficient number, since it is larger than the sum of its proper divisors (3128851015).

53190466949 is a wasteful number, since it uses less digits than its factorization.

53190466949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128851014.

The product of its (nonzero) digits is 6298560, while the sum is 56.

The spelling of 53190466949 in words is "fifty-three billion, one hundred ninety million, four hundred sixty-six thousand, nine hundred forty-nine".