55770794 has 4 divisors (see below), whose sum is σ = 83656194. Its totient is φ = 27885396.

The previous prime is 55770779. The next prime is 55770797. The reversal of 55770794 is 49707755.

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

It can be written as a sum of positive squares in only one way, i.e., 34656769 + 21114025 = 5887^2 + 4595^2 .

It is a super-2 number, since 2×55770794² = 6220762926780872, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55770797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13942697 + ... + 13942700.

Almost surely, 2^55770794 is an apocalyptic number.

55770794 is a deficient number, since it is larger than the sum of its proper divisors (27885400).

55770794 is a wasteful number, since it uses less digits than its factorization.

55770794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27885399.

The product of its (nonzero) digits is 308700, while the sum is 44.

The square root of 55770794 is about 7467.9846009482. The cubic root of 55770794 is about 382.0635521943.

The spelling of 55770794 in words is "fifty-five million, seven hundred seventy thousand, seven hundred ninety-four".