55495055 has 64 divisors (see below), whose sum is σ = 89994240. Its totient is φ = 31795200.

The previous prime is 55495031. The next prime is 55495073. The reversal of 55495055 is 55059455.

It is not a de Polignac number, because 55495055 - 2⁸ = 55494799 is a prime.

It is a super-2 number, since 2×55495055² = 6159402258906050, which contains 22 as substring.

It is a congruent number.

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, 399176 + ... + 399314.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 2^55495055 is an apocalyptic number.

55495055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55495055 is a deficient number, since it is larger than the sum of its proper divisors (34499185).

55495055 is a wasteful number, since it uses less digits than its factorization.

55495055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 55495055 is about 7449.5003188133. The cubic root of 55495055 is about 381.4328521785.

Subtracting from 55495055 its reverse (55059455), we obtain a square (435600 = 660²).

It can be divided in two parts, 5549505 and 5, that multiplied together give a triangular number (27747525 = T₇₄₄₉).

The spelling of 55495055 in words is "fifty-five million, four hundred ninety-five thousand, fifty-five".