1553150872 has 64 divisors (see below), whose sum is σ = 3795059520. Its totient is φ = 578285568.

The previous prime is 1553150867. The next prime is 1553150891. The reversal of 1553150872 is 2780513551.

It is a happy number.

It is a congruent 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, 50373 + ... + 75124.

It is an arithmetic number, because the mean of its divisors is an integer number (59297805).

Almost surely, 2^1553150872 is an apocalyptic number.

It is an amenable number.

1553150872 is an abundant number, since it is smaller than the sum of its proper divisors (2241908648).

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

1553150872 is a wasteful number, since it uses less digits than its factorization.

1553150872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125540 (or 125536 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 1553150872 is about 39410.0351687232. The cubic root of 1553150872 is about 1158.0781872250.

The spelling of 1553150872 in words is "one billion, five hundred fifty-three million, one hundred fifty thousand, eight hundred seventy-two".