55775357 has 8 divisors (see below), whose sum is σ = 60902400. Its totient is φ = 50657760.

The previous prime is 55775347. The next prime is 55775359. The reversal of 55775357 is 75357755.

55775357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 55775357 - 2⁴ = 55775341 is a prime.

It is a super-2 number, since 2×55775357² = 6221780896954898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55775359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16769 + ... + 19817.

It is an arithmetic number, because the mean of its divisors is an integer number (7612800).

Almost surely, 2^55775357 is an apocalyptic number.

55775357 is the 6098-th pentagonal number.

It is an amenable number.

55775357 is a deficient number, since it is larger than the sum of its proper divisors (5127043).

55775357 is a wasteful number, since it uses less digits than its factorization.

55775357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723.

The product of its digits is 643125, while the sum is 44.

The square root of 55775357 is about 7468.2900988111. The cubic root of 55775357 is about 382.0739716768.

The spelling of 55775357 in words is "fifty-five million, seven hundred seventy-five thousand, three hundred fifty-seven".