53450437 has 2 divisors, whose sum is σ = 53450438. Its totient is φ = 53450436.

The previous prime is 53450387. The next prime is 53450461. The reversal of 53450437 is 73405435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52620516 + 829921 = 7254^2 + 911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53450437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53450399 and 53450408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53450497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26725218 + 26725219.

It is an arithmetic number, because the mean of its divisors is an integer number (26725219).

Almost surely, 2^53450437 is an apocalyptic number.

It is an amenable number.

53450437 is a deficient number, since it is larger than the sum of its proper divisors (1).

53450437 is an equidigital number, since it uses as much as digits as its factorization.

53450437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 53450437 is about 7310.9805771866. The cubic root of 53450437 is about 376.6897070860.

The spelling of 53450437 in words is "fifty-three million, four hundred fifty thousand, four hundred thirty-seven".