1553342250 has 32 divisors (see below), whose sum is σ = 3877144128. Its totient is φ = 414224400.

The previous prime is 1553342249. The next prime is 1553342267. The reversal of 1553342250 is 522433551.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034812 + ... + 1036311.

It is an arithmetic number, because the mean of its divisors is an integer number (121160754).

Almost surely, 2^1553342250 is an apocalyptic number.

1553342250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1553342250 is an abundant number, since it is smaller than the sum of its proper divisors (2323801878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1553342250 is a wasteful number, since it uses less digits than its factorization.

1553342250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071143 (or 2071133 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1553342250 is about 39412.4631303348. The cubic root of 1553342250 is about 1158.1257510921.

It can be divided in two parts, 155 and 3342250, that added together give a triangular number (3342405 = T₂₅₈₅).

The spelling of 1553342250 in words is "one billion, five hundred fifty-three million, three hundred forty-two thousand, two hundred fifty".