5145550 has 12 divisors (see below), whose sum is σ = 9570816. Its totient is φ = 2058200.

The previous prime is 5145529. The next prime is 5145589. The reversal of 5145550 is 555415.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51406 + ... + 51505.

It is an arithmetic number, because the mean of its divisors is an integer number (797568).

Almost surely, 2^5145550 is an apocalyptic number.

5145550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5145550 is a deficient number, since it is larger than the sum of its proper divisors (4425266).

5145550 is a wasteful number, since it uses less digits than its factorization.

5145550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102923 (or 102918 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 5145550 is about 2268.3804795492. The cubic root of 5145550 is about 172.6409965333.

The spelling of 5145550 in words is "five million, one hundred forty-five thousand, five hundred fifty".