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53422442 = 226711221
BaseRepresentation
bin1100101111001…
…0100101101010
310201112010210222
43023302211222
5102134004232
65145010042
71216040363
oct313624552
9121463728
1053422442
1128179087
1215a83922
13b0b6118
147148b6a
154a53d12
hex32f296a

53422442 has 4 divisors (see below), whose sum is σ = 80133666. Its totient is φ = 26711220.

The previous prime is 53422429. The next prime is 53422489. The reversal of 53422442 is 24422435.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53421481 + 961 = 7309^2 + 31^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13355609 + ... + 13355612.

Almost surely, 253422442 is an apocalyptic number.

53422442 is a deficient number, since it is larger than the sum of its proper divisors (26711224).

53422442 is a wasteful number, since it uses less digits than its factorization.

53422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26711223.

The product of its digits is 7680, while the sum is 26.

The square root of 53422442 is about 7309.0657405718. The cubic root of 53422442 is about 376.6239310727.

Adding to 53422442 its reverse (24422435), we get a palindrome (77844877).

The spelling of 53422442 in words is "fifty-three million, four hundred twenty-two thousand, four hundred forty-two".

Divisors: 1 2 26711221 53422442