55773001 has 4 divisors (see below), whose sum is σ = 56294352. Its totient is φ = 55251652.

The previous prime is 55772989. The next prime is 55773017. The reversal of 55773001 is 10037755.

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 55773001 - 2²⁵ = 22218569 is a prime.

It is a super-2 number, since 2×55773001² = 6221255281092002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55773031) 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, 260515 + ... + 260728.

It is an arithmetic number, because the mean of its divisors is an integer number (14073588).

Almost surely, 2^55773001 is an apocalyptic number.

It is an amenable number.

55773001 is a deficient number, since it is larger than the sum of its proper divisors (521351).

55773001 is a wasteful number, since it uses less digits than its factorization.

55773001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521350.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 55773001 is about 7468.1323635833. The cubic root of 55773001 is about 382.0685918878.

The spelling of 55773001 in words is "fifty-five million, seven hundred seventy-three thousand, one".