755131550 has 24 divisors (see below), whose sum is σ = 1418460552. Its totient is φ = 299060000.

The previous prime is 755131549. The next prime is 755131571. The reversal of 755131550 is 55131557.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69716 + ... + 79815.

It is an arithmetic number, because the mean of its divisors is an integer number (59102523).

Almost surely, 2^755131550 is an apocalyptic number.

755131550 is a deficient number, since it is larger than the sum of its proper divisors (663329002).

755131550 is a wasteful number, since it uses less digits than its factorization.

755131550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149644 (or 149639 counting only the distinct ones).

The product of its (nonzero) digits is 13125, while the sum is 32.

The square root of 755131550 is about 27479.6570211493. The cubic root of 755131550 is about 910.6277317570.

The spelling of 755131550 in words is "seven hundred fifty-five million, one hundred thirty-one thousand, five hundred fifty".