1993592057 has 8 divisors (see below), whose sum is σ = 2145467592. Its totient is φ = 1845561600.

The previous prime is 1993592053. The next prime is 1993592063. The reversal of 1993592057 is 7502953991.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 327646201 + 1665945856 = 18101^2 + 40816^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1993592057 - 2² = 1993592053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1993591996 and 1993592014.

It is not an unprimeable number, because it can be changed into a prime (1993592053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960194 + ... + 962267.

It is an arithmetic number, because the mean of its divisors is an integer number (268183449).

Almost surely, 2^1993592057 is an apocalyptic number.

1993592057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1993592057 is a deficient number, since it is larger than the sum of its proper divisors (151875535).

1993592057 is a wasteful number, since it uses less digits than its factorization.

1993592057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922539.

The product of its (nonzero) digits is 765450, while the sum is 50.

The square root of 1993592057 is about 44649.6590916437. The cubic root of 1993592057 is about 1258.5740265488.

The spelling of 1993592057 in words is "one billion, nine hundred ninety-three million, five hundred ninety-two thousand, fifty-seven".