55022757 has 16 divisors (see below), whose sum is σ = 75440640. Its totient is φ = 35651952.

The previous prime is 55022743. The next prime is 55022771. The reversal of 55022757 is 75722055.

55022757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55022743) and next prime (55022771).

It is not a de Polignac number, because 55022757 - 2⁴ = 55022741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55022777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28344 + ... + 30222.

It is an arithmetic number, because the mean of its divisors is an integer number (4715040).

Almost surely, 2^55022757 is an apocalyptic number.

It is an amenable number.

55022757 is a deficient number, since it is larger than the sum of its proper divisors (20417883).

55022757 is a wasteful number, since it uses less digits than its factorization.

55022757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 55022757 is about 7417.7326050485. The cubic root of 55022757 is about 380.3476896250.

The spelling of 55022757 in words is "fifty-five million, twenty-two thousand, seven hundred fifty-seven".