55451794 has 4 divisors (see below), whose sum is σ = 83177694. Its totient is φ = 27725896.

The previous prime is 55451783. The next prime is 55451797. The reversal of 55451794 is 49715455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49715455 = 5 ⋅9943091.

It can be written as a sum of positive squares in only one way, i.e., 47403225 + 8048569 = 6885^2 + 2837^2 .

It is not an unprimeable number, because it can be changed into a prime (55451797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13862947 + ... + 13862950.

Almost surely, 2^55451794 is an apocalyptic number.

55451794 is a deficient number, since it is larger than the sum of its proper divisors (27725900).

55451794 is a wasteful number, since it uses less digits than its factorization.

55451794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27725899.

The product of its digits is 126000, while the sum is 40.

The square root of 55451794 is about 7446.5961351479. The cubic root of 55451794 is about 381.3337114756. Note that the first 3 decimals are identical.

The spelling of 55451794 in words is "fifty-five million, four hundred fifty-one thousand, seven hundred ninety-four".