50554531 has 2 divisors, whose sum is σ = 50554532. Its totient is φ = 50554530.

The previous prime is 50554523. The next prime is 50554547. The reversal of 50554531 is 13545505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50554531 - 2³ = 50554523 is a prime.

It is a super-2 number, since 2×50554531² = 5111521209259922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50554531.

It is not a weakly prime, because it can be changed into another prime (50554501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277265 + 25277266.

It is an arithmetic number, because the mean of its divisors is an integer number (25277266).

Almost surely, 2^50554531 is an apocalyptic number.

50554531 is a deficient number, since it is larger than the sum of its proper divisors (1).

50554531 is an equidigital number, since it uses as much as digits as its factorization.

50554531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 50554531 is about 7110.1709543442. The cubic root of 50554531 is about 369.7600855207.

The spelling of 50554531 in words is "fifty million, five hundred fifty-four thousand, five hundred thirty-one".