655057402 has 8 divisors (see below), whose sum is σ = 984737556. Its totient is φ = 326811552.

The previous prime is 655057321. The next prime is 655057441. The reversal of 655057402 is 204750556.

It can be written as a sum of positive squares in 2 ways, for example, as 643078881 + 11978521 = 25359^2 + 3461^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357433 + ... + 359260.

Almost surely, 2^655057402 is an apocalyptic number.

655057402 is a deficient number, since it is larger than the sum of its proper divisors (329680154).

655057402 is a wasteful number, since it uses less digits than its factorization.

655057402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717152.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 655057402 is about 25594.0892004384. The cubic root of 655057402 is about 868.4799290109.

The spelling of 655057402 in words is "six hundred fifty-five million, fifty-seven thousand, four hundred two".