55853057 has 4 divisors (see below), whose sum is σ = 60149460. Its totient is φ = 51556656.

The previous prime is 55853053. The next prime is 55853059. The reversal of 55853057 is 75035855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75035855 = 5 ⋅15007171.

It can be written as a sum of positive squares in 2 ways, for example, as 5740816 + 50112241 = 2396^2 + 7079^2 .

It is a cyclic number.

It is not a de Polignac number, because 55853057 - 2² = 55853053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55853057.

It is not an unprimeable number, because it can be changed into a prime (55853053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2148182 + ... + 2148207.

It is an arithmetic number, because the mean of its divisors is an integer number (15037365).

It is a Proth number, since it is equal to 3409 ⋅ 2¹⁴ + 1 and 3409 < 2¹⁴.

Almost surely, 2^55853057 is an apocalyptic number.

It is an amenable number.

55853057 is a deficient number, since it is larger than the sum of its proper divisors (4296403).

55853057 is a wasteful number, since it uses less digits than its factorization.

55853057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296402.

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 55853057 is about 7473.4902823246. The cubic root of 55853057 is about 382.2513102856.

It can be divided in two parts, 558530 and 57, that multiplied together give a triangular number (31836210 = T₇₉₇₉).

The spelling of 55853057 in words is "fifty-five million, eight hundred fifty-three thousand, fifty-seven".