55490794 has 8 divisors (see below), whose sum is σ = 85266468. Its totient is φ = 27068640.

The previous prime is 55490791. The next prime is 55490801. The reversal of 55490794 is 49709455.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40768225 + 14722569 = 6385^2 + 3837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55490794.

It is not an unprimeable number, because it can be changed into a prime (55490791) 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, 338277 + ... + 338440.

Almost surely, 2^55490794 is an apocalyptic number.

55490794 is a deficient number, since it is larger than the sum of its proper divisors (29775674).

55490794 is a wasteful number, since it uses less digits than its factorization.

55490794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676760.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 55490794 is about 7449.2143209871. The cubic root of 55490794 is about 381.4230895851.

The spelling of 55490794 in words is "fifty-five million, four hundred ninety thousand, seven hundred ninety-four".