55766755 has 16 divisors (see below), whose sum is σ = 73763424. Its totient is φ = 40135680.

The previous prime is 55766719. The next prime is 55766779.

55766755 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55766755 - 2¹¹ = 55764707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109 + ... + 10561.

It is an arithmetic number, because the mean of its divisors is an integer number (4610214).

Almost surely, 2^55766755 is an apocalyptic number.

55766755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55766755 is a deficient number, since it is larger than the sum of its proper divisors (17996669).

55766755 is a wasteful number, since it uses less digits than its factorization.

55766755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566.

The product of its digits is 1102500, while the sum is 46.

The square root of 55766755 is about 7467.7141750337. The cubic root of 55766755 is about 382.0543287768.

The spelling of 55766755 in words is "fifty-five million, seven hundred sixty-six thousand, seven hundred fifty-five".