53088778 has 4 divisors (see below), whose sum is σ = 79633170. Its totient is φ = 26544388.

The previous prime is 53088757. The next prime is 53088787. The reversal of 53088778 is 87788035.

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., 48539089 + 4549689 = 6967^2 + 2133^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13272193 + ... + 13272196.

Almost surely, 2^53088778 is an apocalyptic number.

53088778 is a deficient number, since it is larger than the sum of its proper divisors (26544392).

53088778 is a wasteful number, since it uses less digits than its factorization.

53088778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26544391.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 53088778 is about 7286.2046361600. The cubic root of 53088778 is about 375.8381914680.

It can be divided in two parts, 530887 and 78, that added together give a triangular number (530965 = T₁₀₃₀).

The spelling of 53088778 in words is "fifty-three million, eighty-eight thousand, seven hundred seventy-eight".