2150557552 has 160 divisors (see below), whose sum is σ = 5062176000. Its totient is φ = 872171520.

The previous prime is 2150557547. The next prime is 2150557559. The reversal of 2150557552 is 2557550512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150557559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12014199 + ... + 12014377.

It is an arithmetic number, because the mean of its divisors is an integer number (31638600).

Almost surely, 2^2150557552 is an apocalyptic number.

2150557552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2150557552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2531088000).

2150557552 is an abundant number, since it is smaller than the sum of its proper divisors (2911618448).

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

2150557552 is a wasteful number, since it uses less digits than its factorization.

2150557552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 37.

The square root of 2150557552 is about 46374.1043255824. The cubic root of 2150557552 is about 1290.7744387321.

The spelling of 2150557552 in words is "two billion, one hundred fifty million, five hundred fifty-seven thousand, five hundred fifty-two".