55579755 has 32 divisors (see below), whose sum is σ = 110873088. Its totient is φ = 23097600.

The previous prime is 55579751. The next prime is 55579757. The reversal of 55579755 is 55797555.

It is not a de Polignac number, because 55579755 - 2² = 55579751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55579751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22906 + ... + 25215.

It is an arithmetic number, because the mean of its divisors is an integer number (3464784).

Almost surely, 2^55579755 is an apocalyptic number.

55579755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55579755 is a deficient number, since it is larger than the sum of its proper divisors (55293333).

55579755 is a wasteful number, since it uses less digits than its factorization.

55579755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48147.

The product of its digits is 1378125, while the sum is 48.

The square root of 55579755 is about 7455.1830963431. The cubic root of 55579755 is about 381.6268090395.

The spelling of 55579755 in words is "fifty-five million, five hundred seventy-nine thousand, seven hundred fifty-five".