50161554 has 12 divisors (see below), whose sum is σ = 108683406. Its totient is φ = 16720512.

The previous prime is 50161547. The next prime is 50161567. The reversal of 50161554 is 45516105.

It is a happy number.

50161554 is a `hidden beast` number, since 50 + 1 + 61 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38155329 + 12006225 = 6177^2 + 3465^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1393359 + ... + 1393394.

Almost surely, 2^50161554 is an apocalyptic number.

50161554 is an abundant number, since it is smaller than the sum of its proper divisors (58521852).

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

50161554 is a wasteful number, since it uses less digits than its factorization.

50161554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786761 (or 2786758 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 50161554 is about 7082.4821920002. The cubic root of 50161554 is about 368.7995033033.

Adding to 50161554 its reverse (45516105), we get a palindrome (95677659).

It can be divided in two parts, 50 and 161554, that added together give a square (161604 = 402²).

The spelling of 50161554 in words is "fifty million, one hundred sixty-one thousand, five hundred fifty-four".