55777463 has 16 divisors (see below), whose sum is σ = 67590144. Its totient is φ = 45010080.

The previous prime is 55777453. The next prime is 55777489. The reversal of 55777463 is 36477755.

It is a cyclic number.

It is not a de Polignac number, because 55777463 - 2⁶ = 55777399 is a prime.

It is a super-2 number, since 2×55777463² = 6222250757432738, 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 (55777453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4556 + ... + 11502.

It is an arithmetic number, because the mean of its divisors is an integer number (4224384).

Almost surely, 2^55777463 is an apocalyptic number.

55777463 is a deficient number, since it is larger than the sum of its proper divisors (11812681).

55777463 is a wasteful number, since it uses less digits than its factorization.

55777463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022.

The product of its digits is 617400, while the sum is 44.

The square root of 55777463 is about 7468.4310936100. The cubic root of 55777463 is about 382.0787804771.

The spelling of 55777463 in words is "fifty-five million, seven hundred seventy-seven thousand, four hundred sixty-three".