55777703 has 4 divisors (see below), whose sum is σ = 56152200. Its totient is φ = 55403208.

The previous prime is 55777681. The next prime is 55777723. The reversal of 55777703 is 30777755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30777755 = 5 ⋅6155551.

It is a cyclic number.

It is not a de Polignac number, because 55777703 - 2²⁰ = 54729127 is a prime.

It is a super-2 number, since 2×55777703² = 6222304303912418, 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 (55777723) 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, 187025 + ... + 187322.

It is an arithmetic number, because the mean of its divisors is an integer number (14038050).

Almost surely, 2^55777703 is an apocalyptic number.

55777703 is a deficient number, since it is larger than the sum of its proper divisors (374497).

55777703 is a wasteful number, since it uses less digits than its factorization.

55777703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374496.

The product of its (nonzero) digits is 180075, while the sum is 41.

The square root of 55777703 is about 7468.4471612243. The cubic root of 55777703 is about 382.0793284808.

The spelling of 55777703 in words is "fifty-five million, seven hundred seventy-seven thousand, seven hundred three".