55963457 has 4 divisors (see below), whose sum is σ = 61051056. Its totient is φ = 50875860.

The previous prime is 55963451. The next prime is 55963459. The reversal of 55963457 is 75436955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55963457 - 2⁴ = 55963441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55963451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543783 + ... + 2543804.

It is an arithmetic number, because the mean of its divisors is an integer number (15262764).

Almost surely, 2^55963457 is an apocalyptic number.

It is an amenable number.

55963457 is a deficient number, since it is larger than the sum of its proper divisors (5087599).

55963457 is a wasteful number, since it uses less digits than its factorization.

55963457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087598.

The product of its digits is 567000, while the sum is 44.

The square root of 55963457 is about 7480.8727432032. The cubic root of 55963457 is about 382.5029991079.

The spelling of 55963457 in words is "fifty-five million, nine hundred sixty-three thousand, four hundred fifty-seven".