53556031 has 2 divisors, whose sum is σ = 53556032. Its totient is φ = 53556030.

The previous prime is 53555989. The next prime is 53556037. The reversal of 53556031 is 13065535.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53556031 - 2¹³ = 53547839 is a prime.

It is a super-3 number, since 3×53556031³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53556037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26778015 + 26778016.

It is an arithmetic number, because the mean of its divisors is an integer number (26778016).

Almost surely, 2^53556031 is an apocalyptic number.

53556031 is a deficient number, since it is larger than the sum of its proper divisors (1).

53556031 is an equidigital number, since it uses as much as digits as its factorization.

53556031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 53556031 is about 7318.1986171462. The cubic root of 53556031 is about 376.9376003406.

The spelling of 53556031 in words is "fifty-three million, five hundred fifty-six thousand, thirty-one".