7500055438 has 8 divisors (see below), whose sum is σ = 11253256632. Its totient is φ = 3748969896.

The previous prime is 7500055417. The next prime is 7500055481. The reversal of 7500055438 is 8345500057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7500055397 and 7500055406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520020 + ... + 534247.

It is an arithmetic number, because the mean of its divisors is an integer number (1406657079).

Almost surely, 2^7500055438 is an apocalyptic number.

7500055438 is a deficient number, since it is larger than the sum of its proper divisors (3753201194).

7500055438 is a wasteful number, since it uses less digits than its factorization.

7500055438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057826.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 7500055438 is about 86602.8604492946. The cubic root of 7500055438 is about 1957.4386435155.

The spelling of 7500055438 in words is "seven billion, five hundred million, fifty-five thousand, four hundred thirty-eight".