2551351544 has 32 divisors (see below), whose sum is σ = 5704888320. Its totient is φ = 1045895136.

The previous prime is 2551351513. The next prime is 2551351547. The reversal of 2551351544 is 4451531552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551351547) 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, 989144 + ... + 991719.

It is an arithmetic number, because the mean of its divisors is an integer number (178277760).

Almost surely, 2^2551351544 is an apocalyptic number.

It is an amenable number.

2551351544 is an abundant number, since it is smaller than the sum of its proper divisors (3153536776).

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

2551351544 is a wasteful number, since it uses less digits than its factorization.

2551351544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980899 (or 1980895 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 2551351544 is about 50510.9051987786. The cubic root of 2551351544 is about 1366.4385347811.

The spelling of 2551351544 in words is "two billion, five hundred fifty-one million, three hundred fifty-one thousand, five hundred forty-four".