55959963 has 8 divisors (see below), whose sum is σ = 74664000. Its totient is φ = 37281288.

The previous prime is 55959949. The next prime is 55959983. The reversal of 55959963 is 36995955.

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

It is not a de Polignac number, because 55959963 - 2⁵ = 55959931 is a prime.

It is a super-2 number, since 2×55959963² = 6263034917922738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55959923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393 + ... + 10586.

It is an arithmetic number, because the mean of its divisors is an integer number (9333000).

Almost surely, 2^55959963 is an apocalyptic number.

55959963 is a deficient number, since it is larger than the sum of its proper divisors (18704037).

55959963 is a wasteful number, since it uses less digits than its factorization.

55959963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681.

The product of its digits is 1640250, while the sum is 51.

The square root of 55959963 is about 7480.6392106557. The cubic root of 55959963 is about 382.4950385960.

The spelling of 55959963 in words is "fifty-five million, nine hundred fifty-nine thousand, nine hundred sixty-three".