55335445 has 32 divisors (see below), whose sum is σ = 75769344. Its totient is φ = 38438400.

The previous prime is 55335437. The next prime is 55335473. The reversal of 55335445 is 54453355.

It is not a de Polignac number, because 55335445 - 2³ = 55335437 is a prime.

It is a super-2 number, since 2×55335445² = 6124022946696050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55335445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119284 + ... + 119746.

It is an arithmetic number, because the mean of its divisors is an integer number (2367792).

Almost surely, 2^55335445 is an apocalyptic number.

55335445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55335445 is a deficient number, since it is larger than the sum of its proper divisors (20433899).

55335445 is a wasteful number, since it uses less digits than its factorization.

55335445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its digits is 90000, while the sum is 34.

The square root of 55335445 is about 7438.7798058553. The cubic root of 55335445 is about 381.0668198215.

It can be divided in two parts, 5 and 5335445, that multiplied together give a square (26677225 = 5165²).

The spelling of 55335445 in words is "fifty-five million, three hundred thirty-five thousand, four hundred forty-five".