1550040853 has 8 divisors (see below), whose sum is σ = 1569589056. Its totient is φ = 1530513600.

The previous prime is 1550040829. The next prime is 1550040859. The reversal of 1550040853 is 3580400551.

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 1550040853 - 2¹³ = 1550032661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550040859) 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, 187773 + ... + 195853.

It is an arithmetic number, because the mean of its divisors is an integer number (196198632).

Almost surely, 2^1550040853 is an apocalyptic number.

It is an amenable number.

1550040853 is a deficient number, since it is larger than the sum of its proper divisors (19548203).

1550040853 is an equidigital number, since it uses as much as digits as its factorization.

1550040853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10475.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1550040853 is about 39370.5582002592. The cubic root of 1550040853 is about 1157.3046946905.

The spelling of 1550040853 in words is "one billion, five hundred fifty million, forty thousand, eight hundred fifty-three".