40050551 has 8 divisors (see below), whose sum is σ = 40691520. Its totient is φ = 39413088.

The previous prime is 40050547. The next prime is 40050553. The reversal of 40050551 is 15505004.

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

It is a cyclic number.

It is not a de Polignac number, because 40050551 - 2² = 40050547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40050553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30725 + ... + 32001.

It is an arithmetic number, because the mean of its divisors is an integer number (5086440).

Almost surely, 2^40050551 is an apocalyptic number.

40050551 is a deficient number, since it is larger than the sum of its proper divisors (640969).

40050551 is a wasteful number, since it uses less digits than its factorization.

40050551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 40050551 is about 6328.5504659440. The cubic root of 40050551 is about 342.1391970114.

Adding to 40050551 its reverse (15505004), we get a palindrome (55555555).

The spelling of 40050551 in words is "forty million, fifty thousand, five hundred fifty-one".