55146733 has 2 divisors, whose sum is σ = 55146734. Its totient is φ = 55146732.

The previous prime is 55146727. The next prime is 55146779. The reversal of 55146733 is 33764155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40424164 + 14722569 = 6358^2 + 3837^2 .

It is a cyclic number.

It is not a de Polignac number, because 55146733 - 2⁵ = 55146701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55146703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27573366 + 27573367.

It is an arithmetic number, because the mean of its divisors is an integer number (27573367).

Almost surely, 2^55146733 is an apocalyptic number.

It is an amenable number.

55146733 is a deficient number, since it is larger than the sum of its proper divisors (1).

55146733 is an equidigital number, since it uses as much as digits as its factorization.

55146733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 34.

The square root of 55146733 is about 7426.0846345837. The cubic root of 55146733 is about 380.6331388742.

The spelling of 55146733 in words is "fifty-five million, one hundred forty-six thousand, seven hundred thirty-three".