53778482 has 4 divisors (see below), whose sum is σ = 80667726. Its totient is φ = 26889240.

The previous prime is 53778469. The next prime is 53778523. The reversal of 53778482 is 28487735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28487735 = 5 ⋅5697547.

It can be written as a sum of positive squares in only one way, i.e., 41744521 + 12033961 = 6461^2 + 3469^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13444619 + ... + 13444622.

Almost surely, 2^53778482 is an apocalyptic number.

53778482 is a deficient number, since it is larger than the sum of its proper divisors (26889244).

53778482 is a wasteful number, since it uses less digits than its factorization.

53778482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26889243.

The product of its digits is 376320, while the sum is 44.

The square root of 53778482 is about 7333.3813483277. The cubic root of 53778482 is about 377.4587636784.

The spelling of 53778482 in words is "fifty-three million, seven hundred seventy-eight thousand, four hundred eighty-two".