551370120 has 256 divisors, whose sum is σ = 2011392000. Its totient is φ = 118112256.

The previous prime is 551370103. The next prime is 551370121. The reversal of 551370120 is 21073155.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (551370121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2856744 + ... + 2856936.

It is an arithmetic number, because the mean of its divisors is an integer number (7857000).

Almost surely, 2^551370120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551370120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005696000).

551370120 is an abundant number, since it is smaller than the sum of its proper divisors (1460021880).

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

551370120 is a wasteful number, since it uses less digits than its factorization.

551370120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 551370120 is about 23481.2716861758. The cubic root of 551370120 is about 820.0010509604.

The spelling of 551370120 in words is "five hundred fifty-one million, three hundred seventy thousand, one hundred twenty".