140053550 has 48 divisors (see below), whose sum is σ = 320625312. Its totient is φ = 44323200.

The previous prime is 140053523. The next prime is 140053559. The reversal of 140053550 is 55350041.

It is a super-2 number, since 2×140053550² = 39229993735205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140053559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10841 + ... + 19940.

It is an arithmetic number, because the mean of its divisors is an integer number (6679694).

Almost surely, 2^140053550 is an apocalyptic number.

140053550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140053550 is an abundant number, since it is smaller than the sum of its proper divisors (180571762).

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

140053550 is a wasteful number, since it uses less digits than its factorization.

140053550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30813 (or 30808 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 140053550 is about 11834.4222503678. The cubic root of 140053550 is about 519.3156060457.

The spelling of 140053550 in words is "one hundred forty million, fifty-three thousand, five hundred fifty".