55504733 has 2 divisors, whose sum is σ = 55504734. Its totient is φ = 55504732.

The previous prime is 55504723. The next prime is 55504739. The reversal of 55504733 is 33740555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 1951609 = 7318^2 + 1397^2 .

It is a cyclic number.

It is not a de Polignac number, because 55504733 - 2⁴ = 55504717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55504733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55504739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752366 + 27752367.

It is an arithmetic number, because the mean of its divisors is an integer number (27752367).

Almost surely, 2^55504733 is an apocalyptic number.

It is an amenable number.

55504733 is a deficient number, since it is larger than the sum of its proper divisors (1).

55504733 is an equidigital number, since it uses as much as digits as its factorization.

55504733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 55504733 is about 7450.1498642645. The cubic root of 55504733 is about 381.4550240794.

The spelling of 55504733 in words is "fifty-five million, five hundred four thousand, seven hundred thirty-three".