55773355 has 8 divisors (see below), whose sum is σ = 73012464. Its totient is φ = 40562400.

The previous prime is 55773329. The next prime is 55773359. The reversal of 55773355 is 55337755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55773355 - 2¹⁷ = 55642283 is a prime.

It is a super-2 number, since 2×55773355² = 6221334255912050, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (55773359) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506976 + ... + 507085.

It is an arithmetic number, because the mean of its divisors is an integer number (9126558).

Almost surely, 2^55773355 is an apocalyptic number.

55773355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55773355 is a deficient number, since it is larger than the sum of its proper divisors (17239109).

55773355 is a wasteful number, since it uses less digits than its factorization.

55773355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014077.

The product of its digits is 275625, while the sum is 40.

The square root of 55773355 is about 7468.1560642504. The cubic root of 55773355 is about 382.0694002359.

Subtracting from 55773355 its reverse (55337755), we obtain a square (435600 = 660²).

The spelling of 55773355 in words is "fifty-five million, seven hundred seventy-three thousand, three hundred fifty-five".