7650020550 has 24 divisors (see below), whose sum is σ = 18972051336. Its totient is φ = 2040005440.

The previous prime is 7650020531. The next prime is 7650020591. The reversal of 7650020550 is 550200567.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25499919 + ... + 25500218.

It is an arithmetic number, because the mean of its divisors is an integer number (790502139).

Almost surely, 2^7650020550 is an apocalyptic number.

7650020550 is an abundant number, since it is smaller than the sum of its proper divisors (11322030786).

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

7650020550 is a wasteful number, since it uses less digits than its factorization.

7650020550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51000152 (or 51000147 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 7650020550 is about 87464.3958991314. The cubic root of 7650020550 is about 1970.3991006024.

The spelling of 7650020550 in words is "seven billion, six hundred fifty million, twenty thousand, five hundred fifty".