55920463 has 4 divisors (see below), whose sum is σ = 59209920. Its totient is φ = 52631008.

The previous prime is 55920461. The next prime is 55920467. The reversal of 55920463 is 36402955.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55920463 - 2¹ = 55920461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55920461) 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, 1644703 + ... + 1644736.

It is an arithmetic number, because the mean of its divisors is an integer number (14802480).

Almost surely, 2^55920463 is an apocalyptic number.

55920463 is a deficient number, since it is larger than the sum of its proper divisors (3289457).

55920463 is a wasteful number, since it uses less digits than its factorization.

55920463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289456.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 55920463 is about 7477.9985958811. The cubic root of 55920463 is about 382.4050212011.

The spelling of 55920463 in words is "fifty-five million, nine hundred twenty thousand, four hundred sixty-three".