55744755 has 64 divisors (see below), whose sum is σ = 104537088. Its totient is φ = 25090560.

The previous prime is 55744747. The next prime is 55744763.

It is a happy number.

55744755 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (55744747) and next prime (55744763).

It is not a de Polignac number, because 55744755 - 2³ = 55744747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140217 + ... + 140613.

It is an arithmetic number, because the mean of its divisors is an integer number (1633392).

Almost surely, 2^55744755 is an apocalyptic number.

55744755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55744755 is a deficient number, since it is larger than the sum of its proper divisors (48792333).

55744755 is a wasteful number, since it uses less digits than its factorization.

55744755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its digits is 490000, while the sum is 42.

The square root of 55744755 is about 7466.2410220940. The cubic root of 55744755 is about 382.0040819900.

It can be divided in two parts, 55 and 744755, that added together give a triangular number (744810 = T₁₂₂₀).

The spelling of 55744755 in words is "fifty-five million, seven hundred forty-four thousand, seven hundred fifty-five".