53390077 has 8 divisors (see below), whose sum is σ = 58899960. Its totient is φ = 48080640.

The previous prime is 53390041. The next prime is 53390137. The reversal of 53390077 is 77009335.

It can be written as a sum of positive squares in 4 ways, for example, as 9114361 + 44275716 = 3019^2 + 6654^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53390077 - 2¹¹ = 53388029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53390177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49552 + ... + 50617.

It is an arithmetic number, because the mean of its divisors is an integer number (7362495).

Almost surely, 2^53390077 is an apocalyptic number.

It is an amenable number.

53390077 is a deficient number, since it is larger than the sum of its proper divisors (5509883).

53390077 is a wasteful number, since it uses less digits than its factorization.

53390077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100223.

The product of its (nonzero) digits is 19845, while the sum is 34.

The square root of 53390077 is about 7306.8513738819. The cubic root of 53390077 is about 376.5478588237.

It can be divided in two parts, 533 and 90077, that multiplied together give a square (48011041 = 6929²).

The spelling of 53390077 in words is "fifty-three million, three hundred ninety thousand, seventy-seven".