52657780354 has 4 divisors (see below), whose sum is σ = 78986670534. Its totient is φ = 26328890176.

The previous prime is 52657780277. The next prime is 52657780369. The reversal of 52657780354 is 45308775625.

It is a happy number.

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., 47670172225 + 4987608129 = 218335^2 + 70623^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13164445087 + ... + 13164445090.

Almost surely, 2^52657780354 is an apocalyptic number.

52657780354 is a deficient number, since it is larger than the sum of its proper divisors (26328890180).

52657780354 is a wasteful number, since it uses less digits than its factorization.

52657780354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26328890179.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 52657780354 in words is "fifty-two billion, six hundred fifty-seven million, seven hundred eighty thousand, three hundred fifty-four".