55357477 has 8 divisors (see below), whose sum is σ = 64210496. Its totient is φ = 46740672.

The previous prime is 55357451. The next prime is 55357501. The reversal of 55357477 is 77475355.

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 55357477 - 2⁷ = 55357349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55357417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58548 + ... + 59485.

It is an arithmetic number, because the mean of its divisors is an integer number (8026312).

Almost surely, 2^55357477 is an apocalyptic number.

It is an amenable number.

55357477 is a deficient number, since it is larger than the sum of its proper divisors (8853019).

55357477 is a wasteful number, since it uses less digits than its factorization.

55357477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118107.

The product of its digits is 514500, while the sum is 43.

The square root of 55357477 is about 7440.2605465131. The cubic root of 55357477 is about 381.1173874710.

The spelling of 55357477 in words is "fifty-five million, three hundred fifty-seven thousand, four hundred seventy-seven".